117858914 has 12 divisors (see below), whose sum is σ = 177937494. Its totient is φ = 58548864.

The previous prime is 117858911. The next prime is 117858941. The reversal of 117858914 is 419858711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 117831025 + 27889 = 10855^2 + 167^2 .

It is not an unprimeable number, because it can be changed into a prime (117858911) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 54722 + ... + 56834.

Almost surely, 2^117858914 is an apocalyptic number.

117858914 is a deficient number, since it is larger than the sum of its proper divisors (60078580).

117858914 is an equidigital number, since it uses as much as digits as its factorization.

117858914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2282 counting only the distinct ones).

The product of its digits is 80640, while the sum is 44.

The square root of 117858914 is about 10856.2845393809. The cubic root of 117858914 is about 490.2912526419.

The spelling of 117858914 in words is "one hundred seventeen million, eight hundred fifty-eight thousand, nine hundred fourteen".