99312087600 has 180 divisors, whose sum is σ = 375971637912. Its totient is φ = 24075648000.

The previous prime is 99312087583. The next prime is 99312087631. The reversal of 99312087600 is 678021399.

99312087600 is a `hidden beast` number, since 9 + 9 + 31 + 2 + 0 + 8 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1214341 + ... + 1293540.

Almost surely, 2^99312087600 is an apocalyptic number.

99312087600 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99312087600 is an abundant number, since it is smaller than the sum of its proper divisors (276659550312).

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

99312087600 is a wasteful number, since it uses less digits than its factorization.

99312087600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507916 (or 2507902 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 99312087600 in words is "ninety-nine billion, three hundred twelve million, eighty-seven thousand, six hundred".