117538567488 has 84 divisors (see below), whose sum is σ = 337012996788. Its totient is φ = 39166740480.

The previous prime is 117538567423. The next prime is 117538567529. The reversal of 117538567488 is 884765835711.

117538567488 is a `hidden beast` number, since 1 + 1 + 7 + 538 + 56 + 7 + 48 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97913919744 + 19624647744 = 312912^2 + 140088^2 .

It is a super-2 number, since 2×117538567488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1823620 + ... + 1886972.

Almost surely, 2^117538567488 is an apocalyptic number.

117538567488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117538567488 is an abundant number, since it is smaller than the sum of its proper divisors (219474429300).

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

117538567488 is a wasteful number, since it uses less digits than its factorization.

117538567488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66592 (or 66579 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 63.

The spelling of 117538567488 in words is "one hundred seventeen billion, five hundred thirty-eight million, five hundred sixty-seven thousand, four hundred eighty-eight".