The Powerball jackpot for Saturday’s drawing is now the world’s largest lottery prize ever offered. The estimanted annual annuity prize is estimated at $1.6 billion. The cash option is worth $782.4 million. The Powerball was last won on August 3. Lottery officials say that if there is no winner in tonight’s drawing, the next drawing on Monday would be worth an estimated $1.9 billion or $929.1 million in cash.