63608875264 has 81 divisors (see below), whose sum is σ = 139658731849. Its totient is φ = 28892948480.

The previous prime is 63608875259. The next prime is 63608875289. The reversal of 63608875264 is 46257880636.

The square root of 63608875264 is 252208.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52752902400 + 10855972864 = 229680^2 + 104192^2 .

It is a super-2 number, since 2×63608875264² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44387892 + ... + 44389324.

Almost surely, 2^63608875264 is an apocalyptic number.

63608875264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

63608875264 is the 252208-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63608875264

63608875264 is an abundant number, since it is smaller than the sum of its proper divisors (76049856585).

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

63608875264 is an frugal number, since it uses more digits than its factorization.

63608875264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 63608875264 in words is "sixty-three billion, six hundred eight million, eight hundred seventy-five thousand, two hundred sixty-four".