88140864 has 56 divisors (see below), whose sum is σ = 266525248. Its totient is φ = 25182720.

The previous prime is 88140859. The next prime is 88140887. The reversal of 88140864 is 46804188.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31447 + ... + 34134.

Almost surely, 2^88140864 is an apocalyptic number.

88140864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

88140864 is an abundant number, since it is smaller than the sum of its proper divisors (178384384).

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

88140864 is a wasteful number, since it uses less digits than its factorization.

88140864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65603 (or 65593 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 88140864 is about 9388.3365938807. The cubic root of 88140864 is about 445.0332239639.

The spelling of 88140864 in words is "eighty-eight million, one hundred forty thousand, eight hundred sixty-four".