63788655688736 has 96 divisors (see below), whose sum is σ = 137357419320576. Its totient is φ = 28919349760000.

The previous prime is 63788655688727. The next prime is 63788655688759.

It is a happy number.

63788655688736 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63788655688736² (a number of 28 digits) contains 22 as substring.

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, 1684347881 + ... + 1684385751.

It is an arithmetic number, because the mean of its divisors is an integer number (1430806451256).

Almost surely, 2^{63788655688736} 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 63788655688736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68678709660288).

63788655688736 is an abundant number, since it is smaller than the sum of its proper divisors (73568763631840).

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

63788655688736 is a wasteful number, since it uses less digits than its factorization.

63788655688736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50226 (or 50218 counting only the distinct ones).

The product of its digits is 58525286400, while the sum is 86.

The spelling of 63788655688736 in words is "sixty-three trillion, seven hundred eighty-eight billion, six hundred fifty-five million, six hundred eighty-eight thousand, seven hundred thirty-six".