87188979052 has 12 divisors (see below), whose sum is σ = 174377958160. Its totient is φ = 37366705296.

The previous prime is 87188979037. The next prime is 87188979089. The reversal of 87188979052 is 25097988178.

87188979052 is an admirable 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, 1556946027 + ... + 1556946082.

Almost surely, 2^87188979052 is an apocalyptic number.

It is an amenable number.

87188979052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87188979052 is a wasteful number, since it uses less digits than its factorization.

87188979052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113892120 (or 3113892118 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 64.

The spelling of 87188979052 in words is "eighty-seven billion, one hundred eighty-eight million, nine hundred seventy-nine thousand, fifty-two".