117716564 has 24 divisors (see below), whose sum is σ = 239426880. Its totient is φ = 49594176.

The previous prime is 117716563. The next prime is 117716569. The reversal of 117716564 is 465617711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117716561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33977 + ... + 37280.

It is an arithmetic number, because the mean of its divisors is an integer number (9976120).

Almost surely, 2^117716564 is an apocalyptic number.

117716564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

117716564 is an abundant number, since it is smaller than the sum of its proper divisors (121710316).

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

117716564 is a wasteful number, since it uses less digits than its factorization.

117716564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71327 (or 71325 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 117716564 is about 10849.7264481645. The cubic root of 117716564 is about 490.0937818554.

The spelling of 117716564 in words is "one hundred seventeen million, seven hundred sixteen thousand, five hundred sixty-four".