117697 has 4 divisors (see below), whose sum is σ = 120916. Its totient is φ = 114480.

The previous prime is 117679. The next prime is 117701. The reversal of 117697 is 796711.

117697 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55696 + 62001 = 236^2 + 249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117697 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 117697.

It is not an unprimeable number, because it can be changed into a prime (117617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (30229).

117697 is a Friedman number, since it can be written as 7^(7-1)+6*(9-1), using all its digits and the basic arithmetic operations.

2¹¹⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

117697 is a deficient number, since it is larger than the sum of its proper divisors (3219).

117697 is an equidigital number, since it uses as much as digits as its factorization.

117697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its digits is 2646, while the sum is 31.

The square root of 117697 is about 343.0699637100. The cubic root of 117697 is about 49.0066629840.

The spelling of 117697 in words is "one hundred seventeen thousand, six hundred ninety-seven".