63608864 has 48 divisors (see below), whose sum is σ = 137604096. Its totient is φ = 28704000.

The previous prime is 63608863. The next prime is 63608873. The reversal of 63608864 is 46880636.

It is not an unprimeable number, because it can be changed into a prime (63608863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54689 + ... + 55839.

It is an arithmetic number, because the mean of its divisors is an integer number (2866752).

Almost surely, 2^63608864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63608864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68802048).

63608864 is an abundant number, since it is smaller than the sum of its proper divisors (73995232).

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

63608864 is a wasteful number, since it uses less digits than its factorization.

63608864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 63608864 is about 7975.5165349963. The cubic root of 63608864 is about 399.1834676548.

The spelling of 63608864 in words is "sixty-three million, six hundred eight thousand, eight hundred sixty-four".