12875572764 has 36 divisors (see below), whose sum is σ = 32550087024. Its totient is φ = 4291396032.

The previous prime is 12875572691. The next prime is 12875572781. The reversal of 12875572764 is 46727557821.

12875572764 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 5 + 572 + 7 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12875572764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555169 + ... + 577895.

It is an arithmetic number, because the mean of its divisors is an integer number (904169084).

Almost surely, 2^12875572764 is an apocalyptic number.

It is an amenable number.

12875572764 is an abundant number, since it is smaller than the sum of its proper divisors (19674514260).

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

12875572764 is a wasteful number, since it uses less digits than its factorization.

12875572764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474 (or 38469 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 12875572764 in words is "twelve billion, eight hundred seventy-five million, five hundred seventy-two thousand, seven hundred sixty-four".