87605688 has 16 divisors (see below), whose sum is σ = 219014280. Its totient is φ = 29201888.

The previous prime is 87605657. The next prime is 87605701. The reversal of 87605688 is 88650678.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825095 + ... + 1825142.

Almost surely, 2^87605688 is an apocalyptic number.

It is an amenable number.

87605688 is an abundant number, since it is smaller than the sum of its proper divisors (131408592).

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

87605688 is a wasteful number, since it uses less digits than its factorization.

87605688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650246 (or 3650242 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 87605688 is about 9359.7910233082. The cubic root of 87605688 is about 444.1306733307.

The spelling of 87605688 in words is "eighty-seven million, six hundred five thousand, six hundred eighty-eight".