117688 has 16 divisors (see below), whose sum is σ = 226080. Its totient is φ = 57408.

The previous prime is 117679. The next prime is 117701. The reversal of 117688 is 886711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (14130).

2¹¹⁷⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

117688 is a deficient number, since it is larger than the sum of its proper divisors (108392).

117688 is a wasteful number, since it uses less digits than its factorization.

117688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 362 counting only the distinct ones).

The product of its digits is 2688, while the sum is 31.

The square root of 117688 is about 343.0568466013. The cubic root of 117688 is about 49.0054138125.

It can be divided in two parts, 1 and 17688, that added together give a square (17689 = 133²).

The spelling of 117688 in words is "one hundred seventeen thousand, six hundred eighty-eight".