63879016 has 16 divisors (see below), whose sum is σ = 122322240. Its totient is φ = 31259760.

The previous prime is 63879001. The next prime is 63879077. The reversal of 63879016 is 61097836.

It is a self number, because there is not a number n which added to its sum of digits gives 63879016.

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, 84570 + ... + 85321.

It is an arithmetic number, because the mean of its divisors is an integer number (7645140).

Almost surely, 2^63879016 is an apocalyptic number.

It is an amenable number.

63879016 is a deficient number, since it is larger than the sum of its proper divisors (58443224).

63879016 is a wasteful number, since it uses less digits than its factorization.

63879016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169944 (or 169940 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 63879016 is about 7992.4349231007. The cubic root of 63879016 is about 399.7477910100.

The spelling of 63879016 in words is "sixty-three million, eight hundred seventy-nine thousand, sixteen".