117764709 has 8 divisors (see below), whose sum is σ = 159593952. Its totient is φ = 77222640.

The previous prime is 117764707. The next prime is 117764723. The reversal of 117764709 is 907467711.

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

It is not a de Polignac number, because 117764709 - 2¹ = 117764707 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117764707) 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, 321579 + ... + 321944.

It is an arithmetic number, because the mean of its divisors is an integer number (19949244).

Almost surely, 2^117764709 is an apocalyptic number.

It is an amenable number.

117764709 is a deficient number, since it is larger than the sum of its proper divisors (41829243).

117764709 is an equidigital number, since it uses as much as digits as its factorization.

117764709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643587.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 117764709 is about 10851.9449408850. The cubic root of 117764709 is about 490.1605873762.

The spelling of 117764709 in words is "one hundred seventeen million, seven hundred sixty-four thousand, seven hundred nine".