117718 has 8 divisors (see below), whose sum is σ = 179280. Its totient is φ = 57960.

The previous prime is 117709. The next prime is 117721. The reversal of 117718 is 817711.

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

It is a junction number, because it is equal to n+sod(n) for n = 117692 and 117701.

It is a congruent number.

It is an unprimeable number.

117718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (22410).

2¹¹⁷⁷¹⁸ is an apocalyptic number.

117718 is a deficient number, since it is larger than the sum of its proper divisors (61562).

117718 is an equidigital number, since it uses as much as digits as its factorization.

117718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its digits is 392, while the sum is 25.

The square root of 117718 is about 343.1005683469. The cubic root of 117718 is about 49.0095774698.

The spelling of 117718 in words is "one hundred seventeen thousand, seven hundred eighteen".