99772868324 has 12 divisors (see below), whose sum is σ = 183792126000. Its totient is φ = 47260832328.

The previous prime is 99772868323. The next prime is 99772868387. The reversal of 99772868324 is 42386827799.

It is not an unprimeable number, because it can be changed into a prime (99772868323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656400374 + ... + 656400525.

It is an arithmetic number, because the mean of its divisors is an integer number (15316010500).

Almost surely, 2^99772868324 is an apocalyptic number.

It is an amenable number.

99772868324 is a deficient number, since it is larger than the sum of its proper divisors (84019257676).

99772868324 is a wasteful number, since it uses less digits than its factorization.

99772868324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312800922 (or 1312800920 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 65.

The spelling of 99772868324 in words is "ninety-nine billion, seven hundred seventy-two million, eight hundred sixty-eight thousand, three hundred twenty-four".