117115684 has 27 divisors (see below), whose sum is σ = 238722897. Its totient is φ = 50127504.

The previous prime is 117115657. The next prime is 117115697. The reversal of 117115684 is 486511711.

The square root of 117115684 is 10822.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 109662784 = 2730^2 + 10472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 151122 + ... + 151894.

Almost surely, 2^117115684 is an apocalyptic number.

117115684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117115684 is the 10822-nd square number.

It is an amenable number.

117115684 is an abundant number, since it is smaller than the sum of its proper divisors (121607213).

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

117115684 is an frugal number, since it uses more digits than its factorization.

117115684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 782 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The cubic root of 117115684 is about 489.2584702265.

The spelling of 117115684 in words is "one hundred seventeen million, one hundred fifteen thousand, six hundred eighty-four".