117958845 has 16 divisors (see below), whose sum is σ = 193338432. Its totient is φ = 61376640.

The previous prime is 117958837. The next prime is 117958873. The reversal of 117958845 is 548859711.

It is a happy number.

It is not a de Polignac number, because 117958845 - 2³ = 117958837 is a prime.

It is a super-2 number, since 2×117958845² = 27828578227468050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117958794 and 117958803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95287 + ... + 96516.

It is an arithmetic number, because the mean of its divisors is an integer number (12083652).

Almost surely, 2^117958845 is an apocalyptic number.

117958845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117958845 is a deficient number, since it is larger than the sum of its proper divisors (75379587).

117958845 is a wasteful number, since it uses less digits than its factorization.

117958845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191852.

The product of its digits is 403200, while the sum is 48.

The square root of 117958845 is about 10860.8860135810. The cubic root of 117958845 is about 490.4297839659.

The spelling of 117958845 in words is "one hundred seventeen million, nine hundred fifty-eight thousand, eight hundred forty-five".