99999792 has 40 divisors (see below), whose sum is σ = 287037680. Its totient is φ = 33333120.

The previous prime is 99999787. The next prime is 99999821. The reversal of 99999792 is 29799999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115309 + ... + 116172.

It is an arithmetic number, because the mean of its divisors is an integer number (7175942).

Almost surely, 2^99999792 is an apocalyptic number.

It is an amenable number.

99999792 is an abundant number, since it is smaller than the sum of its proper divisors (187037888).

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

99999792 is a wasteful number, since it uses less digits than its factorization.

99999792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231498 (or 231486 counting only the distinct ones).

The product of its digits is 7440174, while the sum is 63.

The square root of 99999792 is about 9999.9895999946. The cubic root of 99999792 is about 464.1585615442.

It can be divided in two parts, 9999 and 9792, that added together give a palindrome (19791).

The spelling of 99999792 in words is "ninety-nine million, nine hundred ninety-nine thousand, seven hundred ninety-two".