88879931 has 4 divisors (see below), whose sum is σ = 101577072. Its totient is φ = 76182792.

The previous prime is 88879919. The next prime is 88879937. The reversal of 88879931 is 13997888.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-88879931 is a prime.

It is a super-2 number, since 2×88879931² = 15799284269129522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88879937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348560 + ... + 6348573.

It is an arithmetic number, because the mean of its divisors is an integer number (25394268).

Almost surely, 2^88879931 is an apocalyptic number.

88879931 is a deficient number, since it is larger than the sum of its proper divisors (12697141).

88879931 is a wasteful number, since it uses less digits than its factorization.

88879931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697140.

The product of its digits is 870912, while the sum is 53.

The square root of 88879931 is about 9427.6153400529. The cubic root of 88879931 is about 446.2736411195.

The spelling of 88879931 in words is "eighty-eight million, eight hundred seventy-nine thousand, nine hundred thirty-one".