87686260 has 12 divisors (see below), whose sum is σ = 184141188. Its totient is φ = 35074496.

The previous prime is 87686257. The next prime is 87686309. The reversal of 87686260 is 6268678.

It can be written as a sum of positive squares in 2 ways, for example, as 31945104 + 55741156 = 5652^2 + 7466^2 .

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, 2192137 + ... + 2192176.

It is an arithmetic number, because the mean of its divisors is an integer number (15345099).

Almost surely, 2^87686260 is an apocalyptic number.

It is an amenable number.

87686260 is an abundant number, since it is smaller than the sum of its proper divisors (96454928).

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

87686260 is a wasteful number, since it uses less digits than its factorization.

87686260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384322 (or 4384320 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 87686260 is about 9364.0941900432. The cubic root of 87686260 is about 444.2667890425.

The spelling of 87686260 in words is "eighty-seven million, six hundred eighty-six thousand, two hundred sixty".