117043915 has 8 divisors (see below), whose sum is σ = 141525648. Its totient is φ = 92919840.

The previous prime is 117043909. The next prime is 117043919. The reversal of 117043915 is 519340711.

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

It is not a de Polignac number, because 117043915 - 2⁹ = 117043403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117043919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88692 + ... + 90001.

It is an arithmetic number, because the mean of its divisors is an integer number (17690706).

Almost surely, 2^117043915 is an apocalyptic number.

117043915 is a deficient number, since it is larger than the sum of its proper divisors (24481733).

117043915 is a wasteful number, since it uses less digits than its factorization.

117043915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178829.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 117043915 is about 10818.6836075375. The cubic root of 117043915 is about 489.1585098996.

The spelling of 117043915 in words is "one hundred seventeen million, forty-three thousand, nine hundred fifteen".