63687418704 has 120 divisors (see below), whose sum is σ = 219367820672. Its totient is φ = 16796678400.

The previous prime is 63687418679. The next prime is 63687418741. The reversal of 63687418704 is 40781478636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2416972 + ... + 2443179.

Almost surely, 2^63687418704 is an apocalyptic number.

It is an amenable number.

63687418704 is an abundant number, since it is smaller than the sum of its proper divisors (155680401968).

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

63687418704 is a wasteful number, since it uses less digits than its factorization.

63687418704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860185 (or 4860176 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 63687418704 in words is "sixty-three billion, six hundred eighty-seven million, four hundred eighteen thousand, seven hundred four".