63187647235064 has 96 divisors (see below), whose sum is σ = 142031872429200. Its totient is φ = 26100005191680.

The previous prime is 63187647235007. The next prime is 63187647235171. The reversal of 63187647235064 is 46053274678136.

It is a junction number, because it is equal to n+sod(n) for n = 63187647234988 and 63187647235006.

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, 42099929 + ... + 43574984.

Almost surely, 2^{63187647235064} is an apocalyptic number.

It is an amenable number.

63187647235064 is an abundant number, since it is smaller than the sum of its proper divisors (78844225194136).

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

63187647235064 is a wasteful number, since it uses less digits than its factorization.

63187647235064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85674993 (or 85674972 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 63187647235064 in words is "sixty-three trillion, one hundred eighty-seven billion, six hundred forty-seven million, two hundred thirty-five thousand, sixty-four".