117917255 has 8 divisors (see below), whose sum is σ = 141674400. Its totient is φ = 94218016.

The previous prime is 117917243. The next prime is 117917263. The reversal of 117917255 is 552719711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 117917255 - 2⁸ = 117916999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9860 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (17709300).

Almost surely, 2^117917255 is an apocalyptic number.

117917255 is a deficient number, since it is larger than the sum of its proper divisors (23757145).

117917255 is an equidigital number, since it uses as much as digits as its factorization.

117917255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28953.

The product of its digits is 22050, while the sum is 38.

The square root of 117917255 is about 10858.9711759448. The cubic root of 117917255 is about 490.3721385152.

The spelling of 117917255 in words is "one hundred seventeen million, nine hundred seventeen thousand, two hundred fifty-five".