117935789 has 6 divisors (see below), whose sum is σ = 123286926. Its totient is φ = 112807640.

The previous prime is 117935773. The next prime is 117935791. The reversal of 117935789 is 987539711.

It can be written as a sum of positive squares in only one way, i.e., 105226564 + 12709225 = 10258^2 + 3565^2 .

It is not a de Polignac number, because 117935789 - 2⁴ = 117935773 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 (117935089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110942 + ... + 111999.

It is an arithmetic number, because the mean of its divisors is an integer number (20547821).

Almost surely, 2^117935789 is an apocalyptic number.

It is an amenable number.

117935789 is a deficient number, since it is larger than the sum of its proper divisors (5351137).

117935789 is an equidigital number, since it uses as much as digits as its factorization.

117935789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222987 (or 222964 counting only the distinct ones).

The product of its digits is 476280, while the sum is 50.

The square root of 117935789 is about 10859.8245381774. The cubic root of 117935789 is about 490.3978290755.

The spelling of 117935789 in words is "one hundred seventeen million, nine hundred thirty-five thousand, seven hundred eighty-nine".