117665683 has 4 divisors (see below), whose sum is σ = 117718288. Its totient is φ = 117613080.

The previous prime is 117665633. The next prime is 117665719. The reversal of 117665683 is 386566711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386566711 = 107 ⋅3612773.

It is a cyclic number.

It is not a de Polignac number, because 117665683 - 2¹⁷ = 117534611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117665623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22791 + ... + 27472.

It is an arithmetic number, because the mean of its divisors is an integer number (29429572).

Almost surely, 2^117665683 is an apocalyptic number.

117665683 is a deficient number, since it is larger than the sum of its proper divisors (52605).

117665683 is an equidigital number, since it uses as much as digits as its factorization.

117665683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52604.

The product of its digits is 181440, while the sum is 43.

The square root of 117665683 is about 10847.3813890727. The cubic root of 117665683 is about 490.0231600882.

The spelling of 117665683 in words is "one hundred seventeen million, six hundred sixty-five thousand, six hundred eighty-three".