63707908992 has 512 divisors, whose sum is σ = 220026240000. Its totient is φ = 16210059264.

The previous prime is 63707908987. The next prime is 63707908993. The reversal of 63707908992 is 29980970736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63707908993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49654783 + ... + 49656065.

It is an arithmetic number, because the mean of its divisors is an integer number (429738750).

Almost surely, 2^63707908992 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 63707908992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110013120000).

63707908992 is an abundant number, since it is smaller than the sum of its proper divisors (156318331008).

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

63707908992 is a wasteful number, since it uses less digits than its factorization.

63707908992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 63707908992 in words is "sixty-three billion, seven hundred seven million, nine hundred eight thousand, nine hundred ninety-two".