99772846364 has 12 divisors (see below), whose sum is σ = 176331219288. Its totient is φ = 49392498000.

The previous prime is 99772846363. The next prime is 99772846367. The reversal of 99772846364 is 46364827799.

It is a self number, because there is not a number n which added to its sum of digits gives 99772846364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99772846363) 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, 123480842 + ... + 123481649.

It is an arithmetic number, because the mean of its divisors is an integer number (14694268274).

Almost surely, 2^99772846364 is an apocalyptic number.

It is an amenable number.

99772846364 is a deficient number, since it is larger than the sum of its proper divisors (76558372924).

99772846364 is a wasteful number, since it uses less digits than its factorization.

99772846364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246962596 (or 246962594 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 65.

The spelling of 99772846364 in words is "ninety-nine billion, seven hundred seventy-two million, eight hundred forty-six thousand, three hundred sixty-four".