117091684 has 6 divisors (see below), whose sum is σ = 204910454. Its totient is φ = 58545840.

The previous prime is 117091651. The next prime is 117091687. The reversal of 117091684 is 486190711.

It can be written as a sum of positive squares in only one way, i.e., 74476900 + 42614784 = 8630^2 + 6528^2 .

It is not an unprimeable number, because it can be changed into a prime (117091687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14636457 + ... + 14636464.

Almost surely, 2^117091684 is an apocalyptic number.

It is an amenable number.

117091684 is a deficient number, since it is larger than the sum of its proper divisors (87818770).

117091684 is a wasteful number, since it uses less digits than its factorization.

117091684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29272925 (or 29272923 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 117091684 is about 10820.8910908483. The cubic root of 117091684 is about 489.2250474173.

The spelling of 117091684 in words is "one hundred seventeen million, ninety-one thousand, six hundred eighty-four".