117597167 has 4 divisors (see below), whose sum is σ = 121390656. Its totient is φ = 113803680.

The previous prime is 117597163. The next prime is 117597187. The reversal of 117597167 is 761795711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761795711 = 421 ⋅1809491.

It is a cyclic number.

It is not a de Polignac number, because 117597167 - 2² = 117597163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117597163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896698 + ... + 1896759.

It is an arithmetic number, because the mean of its divisors is an integer number (30347664).

Almost surely, 2^117597167 is an apocalyptic number.

117597167 is a deficient number, since it is larger than the sum of its proper divisors (3793489).

117597167 is an equidigital number, since it uses as much as digits as its factorization.

117597167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793488.

The product of its digits is 92610, while the sum is 44.

The square root of 117597167 is about 10844.2227476200. Note that the first 3 decimals coincide. The cubic root of 117597167 is about 489.9280291352.

The spelling of 117597167 in words is "one hundred seventeen million, five hundred ninety-seven thousand, one hundred sixty-seven".