87653892 has 24 divisors (see below), whose sum is σ = 211579200. Its totient is φ = 28210336.

The previous prime is 87653879. The next prime is 87653903. The reversal of 87653892 is 29835678.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 125592 + ... + 126287.

It is an arithmetic number, because the mean of its divisors is an integer number (8815800).

Almost surely, 2^87653892 is an apocalyptic number.

It is an amenable number.

87653892 is an abundant number, since it is smaller than the sum of its proper divisors (123925308).

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

87653892 is a wasteful number, since it uses less digits than its factorization.

87653892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251915 (or 251913 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 87653892 is about 9362.3657266740. The cubic root of 87653892 is about 444.2121176220.

The spelling of 87653892 in words is "eighty-seven million, six hundred fifty-three thousand, eight hundred ninety-two".