The number keeps growing.

And with no winning ticket declared as of late last week, the estimated Mega Millions grand prize now stands nearly 1 billion, the lottery is reporting.

The next drawing is set for Christmas Eve. If won, it would be the largest jackpot ever won in the month of December.

So what are the 10 highest Mega Million jackpots ever?

Here they are in order of highest to lowest - one that includes the current jackpot valued at $970 million.

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Nine-hundred and seventy million dollars.

You read it right.

10 largest Mega Millions jackpots in history

Here are the ten largest Mega Millions jackpots ever won, according to the lottery.

• $648 million, Dec. 17, 2013: Two winners in California and Georgia
• $1.602 billion, Aug. 8, 2023: Won in Florida
• $1.537 billion, Oct. 23, 2018: Won in South Carolina
• $1.348 billion, Jan. 13, 2023: Won in Maine
• $1.337 billion: July 29, 2022: Won in Illinois
• $1.1 billion, March 23, 2024: Won in New Jersey
• $1.05 billion, Jan. 22, 2021: Won in Michigan
• $970 million: Current jackpot
• $800 million, Sept. 10, 2024: Won in Texas
• $656 million, March 30, 2012: Three winners in Illinois, Kansas, Maryland 

What are the odds of winning the Mega Millions jackpot?

The last jackpot was won on Sept. 10. A single winner from Texas won an $800 million jackpot.

The odds of winning the jackpot are 302,575,350-to-1. The odds of matching all five white balls are 12,607,306-to-1.

Where can you buy lottery tickets?

Tickets can be purchased in person at gas stations, convenience stores and grocery stores. Some airport terminals may also sell lottery tickets.

You can also order tickets online through Jackpocket, the official digital lottery courier of the USA TODAY Network, in these U.S. states and territories: Arizona, Arkansas, Colorado, Idaho, Maine, Massachusetts, Minnesota, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oregon, Puerto Rico, Texas, Washington, D.C., and West Virginia. The Jackpocket app allows you to pick your lottery game and numbers, place your order, see your ticket and collect your winnings all using your phone or home computer.

Jackpocket is the official digital lottery courier of the USA TODAY Network. Gannett may earn revenue for audience referrals to Jackpocket services. Must be 18+, 21+ in AZ and 19+ in NE. Not affiliated with any State Lottery. Gambling Problem? Call 1-877-8-HOPE-NY or text HOPENY (467369) (NY); 1-800-327-5050 (MA); 1-877-MYLIMIT (OR); 1-800-981-0023 (PR); 1-800-GAMBLER (all others). Visit jackpocket.com/tos for full terms.

Contributing: Fernando Cervantes Jr. and Alexis Simmerman.

Natalie Neysa Alund is a senior reporter for USA TODAY. Reach her at [email protected] and follow her on X @nataliealund.