63791133588 has 144 divisors (see below), whose sum is σ = 198555325696. Its totient is φ = 16816066560.

The previous prime is 63791133583. The next prime is 63791133589. The reversal of 63791133588 is 88533119736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63791133583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10712820 + ... + 10718772.

Almost surely, 2^63791133588 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 63791133588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99277662848).

63791133588 is an abundant number, since it is smaller than the sum of its proper divisors (134764192108).

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

63791133588 is a wasteful number, since it uses less digits than its factorization.

63791133588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254 (or 9249 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 63791133588 in words is "sixty-three billion, seven hundred ninety-one million, one hundred thirty-three thousand, five hundred eighty-eight".