64757875971 has 32 divisors (see below), whose sum is σ = 90342400000. Its totient is φ = 41211555840.

The previous prime is 64757875967. The next prime is 64757875979. The reversal of 64757875971 is 17957875746.

It is not a de Polignac number, because 64757875971 - 2² = 64757875967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64757875979) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9172875 + ... + 9179931.

It is an arithmetic number, because the mean of its divisors is an integer number (2823200000).

Almost surely, 2^64757875971 is an apocalyptic number.

64757875971 is a deficient number, since it is larger than the sum of its proper divisors (25584524029).

64757875971 is a wasteful number, since it uses less digits than its factorization.

64757875971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419.

The product of its digits is 103723200, while the sum is 66.

The spelling of 64757875971 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-five thousand, nine hundred seventy-one".