117539664 has 40 divisors (see below), whose sum is σ = 331249632. Its totient is φ = 35617920.

The previous prime is 117539663. The next prime is 117539671. The reversal of 117539664 is 466935711.

It is a super-2 number, since 2×117539664² = 27631145226465792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117539663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110779 + ... + 111834.

Almost surely, 2^117539664 is an apocalyptic number.

It is an amenable number.

117539664 is an abundant number, since it is smaller than the sum of its proper divisors (213709968).

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

117539664 is a wasteful number, since it uses less digits than its factorization.

117539664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222635 (or 222629 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 117539664 is about 10841.5711038576. The cubic root of 117539664 is about 489.8481606447.

The spelling of 117539664 in words is "one hundred seventeen million, five hundred thirty-nine thousand, six hundred sixty-four".