117172697 has 8 divisors (see below), whose sum is σ = 118532544. Its totient is φ = 115817328.

The previous prime is 117172681. The next prime is 117172709. The reversal of 117172697 is 796271711.

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 117172697 - 2⁴ = 117172681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117172607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103778 + ... + 104900.

It is an arithmetic number, because the mean of its divisors is an integer number (14816568).

Almost surely, 2^117172697 is an apocalyptic number.

It is an amenable number.

117172697 is a deficient number, since it is larger than the sum of its proper divisors (1359847).

117172697 is a wasteful number, since it uses less digits than its factorization.

117172697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its digits is 37044, while the sum is 41.

The square root of 117172697 is about 10824.6338044296. The cubic root of 117172697 is about 489.3378491991.

The spelling of 117172697 in words is "one hundred seventeen million, one hundred seventy-two thousand, six hundred ninety-seven".