117956297 has 8 divisors (see below), whose sum is σ = 119301000. Its totient is φ = 116619264.

The previous prime is 117956287. The next prime is 117956327. The reversal of 117956297 is 792659711.

It can be written as a sum of positive squares in 4 ways, for example, as 1229881 + 116726416 = 1109^2 + 10804^2 .

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 117956297 - 2¹⁶ = 117890761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117956207) 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, 32393 + ... + 35849.

It is an arithmetic number, because the mean of its divisors is an integer number (14912625).

Almost surely, 2^117956297 is an apocalyptic number.

It is an amenable number.

117956297 is a deficient number, since it is larger than the sum of its proper divisors (1344703).

117956297 is a wasteful number, since it uses less digits than its factorization.

117956297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835.

The product of its digits is 238140, while the sum is 47.

The square root of 117956297 is about 10860.7687112837. The cubic root of 117956297 is about 490.4262527228.

The spelling of 117956297 in words is "one hundred seventeen million, nine hundred fifty-six thousand, two hundred ninety-seven".