12637633880 has 16 divisors (see below), whose sum is σ = 28434676320. Its totient is φ = 5055053536.

The previous prime is 12637633861. The next prime is 12637633937. The reversal of 12637633880 is 8833673621.

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, 157970384 + ... + 157970463.

It is an arithmetic number, because the mean of its divisors is an integer number (1777167270).

Almost surely, 2^12637633880 is an apocalyptic number.

12637633880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12637633880 is an abundant number, since it is smaller than the sum of its proper divisors (15797042440).

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

12637633880 is a wasteful number, since it uses less digits than its factorization.

12637633880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315940858 (or 315940854 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 12637633880 in words is "twelve billion, six hundred thirty-seven million, six hundred thirty-three thousand, eight hundred eighty".