117709109 has 8 divisors (see below), whose sum is σ = 134629248. Its totient is φ = 100815120.

The previous prime is 117709079. The next prime is 117709129. The reversal of 117709109 is 901907711.

It is a happy number.

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

It is not a de Polignac number, because 117709109 - 2⁸ = 117708853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 7 ways as a sum of consecutive naturals, for example, 4319 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (16828656).

Almost surely, 2^117709109 is an apocalyptic number.

It is an amenable number.

117709109 is a deficient number, since it is larger than the sum of its proper divisors (16920139).

117709109 is a wasteful number, since it uses less digits than its factorization.

117709109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 117709109 is about 10849.3828856760. The cubic root of 117709109 is about 490.0834357434.

The spelling of 117709109 in words is "one hundred seventeen million, seven hundred nine thousand, one hundred nine".