117358905 has 16 divisors (see below), whose sum is σ = 198820224. Its totient is φ = 58909440.

The previous prime is 117358873. The next prime is 117358909. The reversal of 117358905 is 509853711.

It is not a de Polignac number, because 117358905 - 2⁵ = 117358873 is a prime.

It is a super-2 number, since 2×117358905² = 27546225165598050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117358909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229861 + ... + 230370.

It is an arithmetic number, because the mean of its divisors is an integer number (12426264).

Almost surely, 2^117358905 is an apocalyptic number.

117358905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117358905 is a deficient number, since it is larger than the sum of its proper divisors (81461319).

117358905 is a wasteful number, since it uses less digits than its factorization.

117358905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460256.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 117358905 is about 10833.2315123420. The cubic root of 117358905 is about 489.5969266102.

The spelling of 117358905 in words is "one hundred seventeen million, three hundred fifty-eight thousand, nine hundred five".