99812937796992 has 192 divisors, whose sum is σ = 347562908877600. Its totient is φ = 26840453824512.

The previous prime is 99812937796937. The next prime is 99812937796997. The reversal of 99812937796992 is 29969773921899.

99812937796992 is a `hidden beast` number, since 9 + 9 + 81 + 293 + 77 + 96 + 9 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99812937796997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363909867 + ... + 364184042.

Almost surely, 2^{99812937796992} is an apocalyptic number.

It is an amenable number.

99812937796992 is an abundant number, since it is smaller than the sum of its proper divisors (247749971080608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99812937796992 is a wasteful number, since it uses less digits than its factorization.

99812937796992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728093953 (or 728093938 counting only the distinct ones).

The product of its digits is 14999390784, while the sum is 90.

The spelling of 99812937796992 in words is "ninety-nine trillion, eight hundred twelve billion, nine hundred thirty-seven million, seven hundred ninety-six thousand, nine hundred ninety-two".