117709169 has 2 divisors, whose sum is σ = 117709170.
Its totient is φ = 117709168.
The previous prime is 117709159. The next prime is 117709213. The reversal of 117709169 is 961907711.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 97278769 + 20430400 = 9863^2 + 4520^2
It is a cyclic number.
It is not a de Polignac number, because 117709169 - 24 = 117709153 is a prime.
It is a super-2 number, since 2×1177091692 = 27710896933341122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (117709129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58854584 + 58854585.
It is an arithmetic number, because the mean of its divisors is an integer number (58854585).
Almost surely, 2117709169 is an apocalyptic number.
It is an amenable number.
117709169 is a deficient number, since it is larger than the sum of its proper divisors (1).
117709169 is an equidigital number, since it uses as much as digits as its factorization.
117709169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23814, while the sum is 41.
The square root of 117709169 is about 10849.3856508099.
The cubic root of 117709169 is about 490.0835190137.
The spelling of 117709169 in words is "one hundred seventeen million, seven hundred nine thousand, one hundred sixty-nine".