117805858 has 8 divisors (see below), whose sum is σ = 176764752. Its totient is φ = 58884276.

The previous prime is 117805843. The next prime is 117805873. The reversal of 117805858 is 858508711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117805843) and next prime (117805873).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741 + ... + 15367.

It is an arithmetic number, because the mean of its divisors is an integer number (22095594).

Almost surely, 2^117805858 is an apocalyptic number.

117805858 is a deficient number, since it is larger than the sum of its proper divisors (58958894).

117805858 is a wasteful number, since it uses less digits than its factorization.

117805858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18656.

The product of its (nonzero) digits is 89600, while the sum is 43.

The square root of 117805858 is about 10853.8407027190. The cubic root of 117805858 is about 490.2176708874.

The spelling of 117805858 in words is "one hundred seventeen million, eight hundred five thousand, eight hundred fifty-eight".