99237864612 has 24 divisors (see below), whose sum is σ = 231809219712. Its totient is φ = 33042973600.

The previous prime is 99237864601. The next prime is 99237864617. The reversal of 99237864612 is 21646873299.

It is not an unprimeable number, because it can be changed into a prime (99237864617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4527939 + ... + 4549802.

It is an arithmetic number, because the mean of its divisors is an integer number (9658717488).

Almost surely, 2^99237864612 is an apocalyptic number.

It is an amenable number.

99237864612 is an abundant number, since it is smaller than the sum of its proper divisors (132571355100).

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

99237864612 is a wasteful number, since it uses less digits than its factorization.

99237864612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078659 (or 9078657 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 99237864612 in words is "ninety-nine billion, two hundred thirty-seven million, eight hundred sixty-four thousand, six hundred twelve".