117839317 has 8 divisors (see below), whose sum is σ = 119160792. Its totient is φ = 116524800.

The previous prime is 117839303. The next prime is 117839321. The reversal of 117839317 is 713938711.

It can be written as a sum of positive squares in 4 ways, for example, as 61873956 + 55965361 = 7866^2 + 7481^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117839317 is a prime.

It is a super-2 number, since 2×117839317² = 27772209262052978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117839317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117839377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36967 + ... + 40027.

It is an arithmetic number, because the mean of its divisors is an integer number (14895099).

Almost surely, 2^117839317 is an apocalyptic number.

It is an amenable number.

117839317 is a deficient number, since it is larger than the sum of its proper divisors (1321475).

117839317 is a wasteful number, since it uses less digits than its factorization.

117839317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its digits is 31752, while the sum is 40.

The square root of 117839317 is about 10855.3819370854. The cubic root of 117839317 is about 490.2640767304.

The spelling of 117839317 in words is "one hundred seventeen million, eight hundred thirty-nine thousand, three hundred seventeen".