87665358 has 32 divisors (see below), whose sum is σ = 196444800. Its totient is φ = 25846560.

The previous prime is 87665329. The next prime is 87665363. The reversal of 87665358 is 85356678.

It is a congruent number.

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, 15508 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (6138900).

Almost surely, 2^87665358 is an apocalyptic number.

87665358 is an abundant number, since it is smaller than the sum of its proper divisors (108779442).

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

87665358 is a wasteful number, since it uses less digits than its factorization.

87665358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952.

The product of its digits is 1209600, while the sum is 48.

The square root of 87665358 is about 9362.9780518807. The cubic root of 87665358 is about 444.2314858971.

The spelling of 87665358 in words is "eighty-seven million, six hundred sixty-five thousand, three hundred fifty-eight".