117585274438 has 24 divisors (see below), whose sum is σ = 182285703864. Its totient is φ = 56856374400.

The previous prime is 117585274397. The next prime is 117585274441. The reversal of 117585274438 is 834472585711.

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, 810270 + ... + 944302.

It is an arithmetic number, because the mean of its divisors is an integer number (7595237661).

Almost surely, 2^117585274438 is an apocalyptic number.

117585274438 is a deficient number, since it is larger than the sum of its proper divisors (64700429426).

117585274438 is a wasteful number, since it uses less digits than its factorization.

117585274438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134280 (or 134179 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 55.

The spelling of 117585274438 in words is "one hundred seventeen billion, five hundred eighty-five million, two hundred seventy-four thousand, four hundred thirty-eight".