64872725087044 has 12 divisors (see below), whose sum is σ = 129745450174144. Its totient is φ = 27802596465864.

The previous prime is 64872725087021. The next prime is 64872725087057. The reversal of 64872725087044 is 44078052727846.

It is a happy number.

64872725087044 is an admirable number.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158441519384 + ... + 1158441519439.

Almost surely, 2^{64872725087044} is an apocalyptic number.

It is an amenable number.

64872725087044 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.

64872725087044 is a wasteful number, since it uses less digits than its factorization.

64872725087044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316883038834 (or 2316883038832 counting only the distinct ones).

The product of its (nonzero) digits is 168591360, while the sum is 64.

The spelling of 64872725087044 in words is "sixty-four trillion, eight hundred seventy-two billion, seven hundred twenty-five million, eighty-seven thousand, forty-four".