117579 has 16 divisors (see below), whose sum is σ = 195840. Its totient is φ = 60960.

The previous prime is 117577. The next prime is 117617. The reversal of 117579 is 975711.

It is not a de Polignac number, because 117579 - 2¹ = 117577 is a prime.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (117571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24 + ... + 485.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

117579 is a Friedman number, since it can be written as 7*(7^5-9-1*1), using all its digits and the basic arithmetic operations.

2¹¹⁷⁵⁷⁹ is an apocalyptic number.

117579 is a deficient number, since it is larger than the sum of its proper divisors (78261).

117579 is a wasteful number, since it uses less digits than its factorization.

117579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its digits is 2205, while the sum is 30.

The square root of 117579 is about 342.8979440008. The cubic root of 117579 is about 48.9902798990.

It can be divided in two parts, 117 and 579, that added together give a palindrome (696).

The spelling of 117579 in words is "one hundred seventeen thousand, five hundred seventy-nine".