87165568600 has 72 divisors (see below), whose sum is σ = 222758515980. Its totient is φ = 31696561600.

The previous prime is 87165568597. The next prime is 87165568601. The reversal of 87165568600 is 686556178.

It is a super-2 number, since 2×87165568600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87165568601) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1776742 + ... + 1825141.

Almost surely, 2^87165568600 is an apocalyptic number.

It is an amenable number.

87165568600 is an abundant number, since it is smaller than the sum of its proper divisors (135592947380).

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

87165568600 is a wasteful number, since it uses less digits than its factorization.

87165568600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601921 (or 3601901 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 87165568600 in words is "eighty-seven billion, one hundred sixty-five million, five hundred sixty-eight thousand, six hundred".