117669 has 8 divisors (see below), whose sum is σ = 159712. Its totient is φ = 77040.

The previous prime is 117659. The next prime is 117671. The reversal of 117669 is 966711.

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

It is not a de Polignac number, because 117669 - 2⁷ = 117541 is a prime.

It is a super-2 number, since 2×117669² = 27691987122, which contains 22 as substring.

It is a Duffinian number.

117669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117619) 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, 139 + ... + 504.

It is an arithmetic number, because the mean of its divisors is an integer number (19964).

117669 is a Friedman number, since it can be written as 19+7^6+1^6, using all its digits and the basic arithmetic operations.

2¹¹⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

117669 is a deficient number, since it is larger than the sum of its proper divisors (42043).

117669 is an equidigital number, since it uses as much as digits as its factorization.

117669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 2268, while the sum is 30.

The square root of 117669 is about 343.0291532800. The cubic root of 117669 is about 49.0027764635.

The spelling of 117669 in words is "one hundred seventeen thousand, six hundred sixty-nine".