87686336 has 14 divisors (see below), whose sum is σ = 174002700. Its totient is φ = 43843136.

The previous prime is 87686329. The next prime is 87686353. The reversal of 87686336 is 63368678.

It is a super-2 number, since 2×87686336² = 15377787042209792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684986 + ... + 685113.

Almost surely, 2^87686336 is an apocalyptic number.

It is an amenable number.

87686336 is a deficient number, since it is larger than the sum of its proper divisors (86316364).

87686336 is a wasteful number, since it uses less digits than its factorization.

87686336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370111 (or 1370101 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 87686336 is about 9364.0982480963. The cubic root of 87686336 is about 444.2669173951.

The spelling of 87686336 in words is "eighty-seven million, six hundred eighty-six thousand, three hundred thirty-six".