88632799990 has 32 divisors (see below), whose sum is σ = 191926667520. Its totient is φ = 28788999264.

The previous prime is 88632799987. The next prime is 88632800027. The reversal of 88632799990 is 9999723688.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33319272 + ... + 33321931.

It is an arithmetic number, because the mean of its divisors is an integer number (5997708360).

Almost surely, 2^88632799990 is an apocalyptic number.

88632799990 is an abundant number, since it is smaller than the sum of its proper divisors (103293867530).

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

88632799990 is a wasteful number, since it uses less digits than its factorization.

88632799990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66641236.

The product of its (nonzero) digits is 105815808, while the sum is 70.

The spelling of 88632799990 in words is "eighty-eight billion, six hundred thirty-two million, seven hundred ninety-nine thousand, nine hundred ninety".