63879749332 has 24 divisors (see below), whose sum is σ = 128473248960. Its totient is φ = 27224088960.

The previous prime is 63879749327. The next prime is 63879749357. The reversal of 63879749332 is 23394797836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6367669 + ... + 6377692.

It is an arithmetic number, because the mean of its divisors is an integer number (5353052040).

Almost surely, 2^63879749332 is an apocalyptic number.

It is an amenable number.

63879749332 is an abundant number, since it is smaller than the sum of its proper divisors (64593499628).

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

63879749332 is a wasteful number, since it uses less digits than its factorization.

63879749332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745551 (or 12745549 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 61.

The spelling of 63879749332 in words is "sixty-three billion, eight hundred seventy-nine million, seven hundred forty-nine thousand, three hundred thirty-two".