64884044884 has 12 divisors (see below), whose sum is σ = 113909850964. Its totient is φ = 32338373184.

The previous prime is 64884044881. The next prime is 64884044963. The reversal of 64884044884 is 48844048846.

It can be written as a sum of positive squares in 2 ways, for example, as 990360900 + 63893683984 = 31470^2 + 252772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64884044881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25910907 + ... + 25913410.

Almost surely, 2^64884044884 is an apocalyptic number.

It is an amenable number.

64884044884 is a deficient number, since it is larger than the sum of its proper divisors (49025806080).

64884044884 is a wasteful number, since it uses less digits than its factorization.

64884044884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824634 (or 51824632 counting only the distinct ones).

The product of its (nonzero) digits is 25165824, while the sum is 58.

The spelling of 64884044884 in words is "sixty-four billion, eight hundred eighty-four million, forty-four thousand, eight hundred eighty-four".