87683688 has 64 divisors (see below), whose sum is σ = 257904000. Its totient is φ = 27507456.

The previous prime is 87683647. The next prime is 87683719. The reversal of 87683688 is 88638678.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (4029750).

Almost surely, 2^87683688 is an apocalyptic number.

It is an amenable number.

87683688 is an abundant number, since it is smaller than the sum of its proper divisors (170220312).

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

87683688 is a wasteful number, since it uses less digits than its factorization.

87683688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23911 (or 23901 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 87683688 is about 9363.9568559450. The cubic root of 87683688 is about 444.2624452782.

The spelling of 87683688 in words is "eighty-seven million, six hundred eighty-three thousand, six hundred eighty-eight".