86992904 has 32 divisors (see below), whose sum is σ = 168048000. Its totient is φ = 42199872.

The previous prime is 86992889. The next prime is 86992907. The reversal of 86992904 is 40929968.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86992907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36122 + ... + 38454.

It is an arithmetic number, because the mean of its divisors is an integer number (5251500).

Almost surely, 2^86992904 is an apocalyptic number.

It is an amenable number.

86992904 is a deficient number, since it is larger than the sum of its proper divisors (81055096).

86992904 is a wasteful number, since it uses less digits than its factorization.

86992904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2473 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 86992904 is about 9326.9986598048. The cubic root of 86992904 is about 443.0927148250.

The spelling of 86992904 in words is "eighty-six million, nine hundred ninety-two thousand, nine hundred four".