117965329 has 4 divisors (see below), whose sum is σ = 124904484. Its totient is φ = 111026176.

The previous prime is 117965311. The next prime is 117965339. The reversal of 117965329 is 923569711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86862400 + 31102929 = 9320^2 + 5577^2 .

It is a cyclic number.

It is not a de Polignac number, because 117965329 - 2⁹ = 117964817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117965339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469552 + ... + 3469585.

It is an arithmetic number, because the mean of its divisors is an integer number (31226121).

Almost surely, 2^117965329 is an apocalyptic number.

It is an amenable number.

117965329 is a deficient number, since it is larger than the sum of its proper divisors (6939155).

117965329 is an equidigital number, since it uses as much as digits as its factorization.

117965329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939154.

The product of its digits is 102060, while the sum is 43.

The square root of 117965329 is about 10861.1845118293. The cubic root of 117965329 is about 490.4387698357.

The spelling of 117965329 in words is "one hundred seventeen million, nine hundred sixty-five thousand, three hundred twenty-nine".