64757875884 has 48 divisors (see below), whose sum is σ = 162741239808. Its totient is φ = 19923501888.

The previous prime is 64757875873. The next prime is 64757875891. The reversal of 64757875884 is 48857875746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568789 + ... + 2593875.

It is an arithmetic number, because the mean of its divisors is an integer number (3390442496).

Almost surely, 2^64757875884 is an apocalyptic number.

It is an amenable number.

64757875884 is an abundant number, since it is smaller than the sum of its proper divisors (97983363924).

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

64757875884 is a wasteful number, since it uses less digits than its factorization.

64757875884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41654 (or 41652 counting only the distinct ones).

The product of its digits is 421478400, while the sum is 69.

The spelling of 64757875884 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred eighty-four".