87685596 has 18 divisors (see below), whose sum is σ = 221649792. Its totient is φ = 29228520.

The previous prime is 87685583. The next prime is 87685603. The reversal of 87685596 is 69558678.

87685596 is a `hidden beast` number, since 87 + 6 + 8 + 559 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1217820 + ... + 1217891.

Almost surely, 2^87685596 is an apocalyptic number.

It is an amenable number.

87685596 is an abundant number, since it is smaller than the sum of its proper divisors (133964196).

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

87685596 is a wasteful number, since it uses less digits than its factorization.

87685596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435721 (or 2435716 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 87685596 is about 9364.0587353989. The cubic root of 87685596 is about 444.2656676434.

The spelling of 87685596 in words is "eighty-seven million, six hundred eighty-five thousand, five hundred ninety-six".