63112578684 has 24 divisors (see below), whose sum is σ = 150687398400. Its totient is φ = 20548281264.

The previous prime is 63112578649. The next prime is 63112578701. The reversal of 63112578684 is 48687521136.

It is a congruent number.

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, 61155084 + ... + 61156115.

It is an arithmetic number, because the mean of its divisors is an integer number (6278641600).

Almost surely, 2^63112578684 is an apocalyptic number.

It is an amenable number.

63112578684 is an abundant number, since it is smaller than the sum of its proper divisors (87574819716).

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

63112578684 is a wasteful number, since it uses less digits than its factorization.

63112578684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122311249 (or 122311247 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 63112578684 in words is "sixty-three billion, one hundred twelve million, five hundred seventy-eight thousand, six hundred eighty-four".