47988886656 has 64 divisors (see below), whose sum is σ = 127494900000. Its totient is φ = 15993231360.

The previous prime is 47988886639. The next prime is 47988886697. The reversal of 47988886656 is 65668888974.

It is a tau number, because it is divible by the number of its divisors (64).

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, 2945220 + ... + 2961468.

Almost surely, 2^47988886656 is an apocalyptic number.

It is an amenable number.

47988886656 is an abundant number, since it is smaller than the sum of its proper divisors (79506013344).

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

47988886656 is a wasteful number, since it uses less digits than its factorization.

47988886656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23957 (or 23945 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 75.

The spelling of 47988886656 in words is "forty-seven billion, nine hundred eighty-eight million, eight hundred eighty-six thousand, six hundred fifty-six".