117838814 has 4 divisors (see below), whose sum is σ = 176758224. Its totient is φ = 58919406.

The previous prime is 117838807. The next prime is 117838859. The reversal of 117838814 is 418838711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29459702 + ... + 29459705.

It is an arithmetic number, because the mean of its divisors is an integer number (44189556).

Almost surely, 2^117838814 is an apocalyptic number.

117838814 is a deficient number, since it is larger than the sum of its proper divisors (58919410).

117838814 is an equidigital number, since it uses as much as digits as its factorization.

117838814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58919409.

The product of its digits is 43008, while the sum is 41.

The square root of 117838814 is about 10855.3587688293. The cubic root of 117838814 is about 490.2633791613.

The spelling of 117838814 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, eight hundred fourteen".