87080556 has 48 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 28183680.

The previous prime is 87080551. The next prime is 87080557. The reversal of 87080556 is 65508078.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87080551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186235 + ... + 186701.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2^87080556 is an apocalyptic number.

It is an amenable number.

87080556 is an abundant number, since it is smaller than the sum of its proper divisors (122059284).

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

87080556 is a wasteful number, since it uses less digits than its factorization.

87080556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 87080556 is about 9331.6963088176. The cubic root of 87080556 is about 443.2414814641.

The spelling of 87080556 in words is "eighty-seven million, eighty thousand, five hundred fifty-six".