117917297 has 16 divisors (see below), whose sum is σ = 125826048. Its totient is φ = 110270160.

The previous prime is 117917279. The next prime is 117917299. The reversal of 117917297 is 792719711.

It is a cyclic number.

It is not a de Polignac number, because 117917297 - 2¹⁰ = 117916273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117917299) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 265958 + ... + 266400.

It is an arithmetic number, because the mean of its divisors is an integer number (7864128).

Almost surely, 2^117917297 is an apocalyptic number.

It is an amenable number.

117917297 is a deficient number, since it is larger than the sum of its proper divisors (7908751).

117917297 is a wasteful number, since it uses less digits than its factorization.

117917297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its digits is 55566, while the sum is 44.

The square root of 117917297 is about 10858.9731098295. The cubic root of 117917297 is about 490.3721967357.

The spelling of 117917297 in words is "one hundred seventeen million, nine hundred seventeen thousand, two hundred ninety-seven".