117859 has 8 divisors (see below), whose sum is σ = 136800. Its totient is φ = 99456.

The previous prime is 117851. The next prime is 117877. The reversal of 117859 is 958711.

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

It is not a de Polignac number, because 117859 - 2³ = 117851 is a prime.

It is a Duffinian number.

117859 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 117859.

It is not an unprimeable number, because it can be changed into a prime (117851) 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, 717 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2¹¹⁷⁸⁵⁹ is an apocalyptic number.

117859 is a deficient number, since it is larger than the sum of its proper divisors (18941).

117859 is a wasteful number, since it uses less digits than its factorization.

117859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its digits is 2520, while the sum is 31.

The square root of 117859 is about 343.3059859659. The cubic root of 117859 is about 49.0291371895.

The spelling of 117859 in words is "one hundred seventeen thousand, eight hundred fifty-nine".