63532652856 has 64 divisors (see below), whose sum is σ = 159635750400. Its totient is φ = 21070460928.

The previous prime is 63532652801. The next prime is 63532652861. The reversal of 63532652856 is 65825623536.

It is a junction number, because it is equal to n+sod(n) for n = 63532652799 and 63532652808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11508865 + ... + 11514383.

It is an arithmetic number, because the mean of its divisors is an integer number (2494308600).

Almost surely, 2^63532652856 is an apocalyptic number.

It is an amenable number.

63532652856 is an abundant number, since it is smaller than the sum of its proper divisors (96103097544).

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

63532652856 is a wasteful number, since it uses less digits than its factorization.

63532652856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868 (or 7864 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 51.

The spelling of 63532652856 in words is "sixty-three billion, five hundred thirty-two million, six hundred fifty-two thousand, eight hundred fifty-six".