117915198 has 32 divisors (see below), whose sum is σ = 241933824. Its totient is φ = 38295552.

The previous prime is 117915157. The next prime is 117915209. The reversal of 117915198 is 891519711.

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, 71661 + ... + 73287.

It is an arithmetic number, because the mean of its divisors is an integer number (7560432).

Almost surely, 2^117915198 is an apocalyptic number.

117915198 is an abundant number, since it is smaller than the sum of its proper divisors (124018626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117915198 is a wasteful number, since it uses less digits than its factorization.

117915198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936.

The product of its digits is 22680, while the sum is 42.

The square root of 117915198 is about 10858.8764612183. The cubic root of 117915198 is about 490.3692870768.

The spelling of 117915198 in words is "one hundred seventeen million, nine hundred fifteen thousand, one hundred ninety-eight".