87497560 has 32 divisors (see below), whose sum is σ = 199648800. Its totient is φ = 34504960.

The previous prime is 87497537. The next prime is 87497617. The reversal of 87497560 is 6579478.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87497560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12565 + ... + 18244.

It is an arithmetic number, because the mean of its divisors is an integer number (6239025).

Almost surely, 2^87497560 is an apocalyptic number.

It is an amenable number.

87497560 is an abundant number, since it is smaller than the sum of its proper divisors (112151240).

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

87497560 is a wasteful number, since it uses less digits than its factorization.

87497560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30891 (or 30887 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 87497560 is about 9354.0130425395. The cubic root of 87497560 is about 443.9478741934.

The spelling of 87497560 in words is "eighty-seven million, four hundred ninety-seven thousand, five hundred sixty".