87238704 has 40 divisors (see below), whose sum is σ = 257562880. Its totient is φ = 24925248.

The previous prime is 87238667. The next prime is 87238759. The reversal of 87238704 is 40783278.

It is a super-2 number, since 2×87238704² = 15221182951199232, which contains 22 as substring.

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, 129484 + ... + 130155.

It is an arithmetic number, because the mean of its divisors is an integer number (6439072).

Almost surely, 2^87238704 is an apocalyptic number.

87238704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87238704 is an abundant number, since it is smaller than the sum of its proper divisors (170324176).

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

87238704 is a wasteful number, since it uses less digits than its factorization.

87238704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259657 (or 259651 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 87238704 is about 9340.1661655455. The cubic root of 87238704 is about 443.5096445102.

The spelling of 87238704 in words is "eighty-seven million, two hundred thirty-eight thousand, seven hundred four".