87057560 has 16 divisors (see below), whose sum is σ = 195879600. Its totient is φ = 34823008.

The previous prime is 87057541. The next prime is 87057613. The reversal of 87057560 is 6575078.

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, 1088180 + ... + 1088259.

It is an arithmetic number, because the mean of its divisors is an integer number (12242475).

Almost surely, 2^87057560 is an apocalyptic number.

It is an amenable number.

87057560 is an abundant number, since it is smaller than the sum of its proper divisors (108822040).

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

87057560 is a wasteful number, since it uses less digits than its factorization.

87057560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176450 (or 2176446 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 87057560 is about 9330.4640827774. The cubic root of 87057560 is about 443.2024613547.

The spelling of 87057560 in words is "eighty-seven million, fifty-seven thousand, five hundred sixty".