63978882 has 16 divisors (see below), whose sum is σ = 139590432. Its totient is φ = 19387520.

The previous prime is 63978857. The next prime is 63978899. The reversal of 63978882 is 28887936.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484623 + ... + 484754.

It is an arithmetic number, because the mean of its divisors is an integer number (8724402).

Almost surely, 2^63978882 is an apocalyptic number.

63978882 is an abundant number, since it is smaller than the sum of its proper divisors (75611550).

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

63978882 is a wasteful number, since it uses less digits than its factorization.

63978882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969393.

The product of its digits is 1161216, while the sum is 51.

The square root of 63978882 is about 7998.6800161027. The cubic root of 63978882 is about 399.9559993267.

The spelling of 63978882 in words is "sixty-three million, nine hundred seventy-eight thousand, eight hundred eighty-two".