63879384 has 16 divisors (see below), whose sum is σ = 159698520. Its totient is φ = 21293120.

The previous prime is 63879379. The next prime is 63879391. The reversal of 63879384 is 48397836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330797 + ... + 1330844.

Almost surely, 2^63879384 is an apocalyptic number.

It is an amenable number.

63879384 is an abundant number, since it is smaller than the sum of its proper divisors (95819136).

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

63879384 is a wasteful number, since it uses less digits than its factorization.

63879384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661650 (or 2661646 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 63879384 is about 7992.4579448377. The cubic root of 63879384 is about 399.7485586429.

The spelling of 63879384 in words is "sixty-three million, eight hundred seventy-nine thousand, three hundred eighty-four".