117328709 has 8 divisors (see below), whose sum is σ = 119037600. Its totient is φ = 115632400.

The previous prime is 117328703. The next prime is 117328721. The reversal of 117328709 is 907823711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117328709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117328703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16514 + ... + 22524.

It is an arithmetic number, because the mean of its divisors is an integer number (14879700).

Almost surely, 2^117328709 is an apocalyptic number.

It is an amenable number.

117328709 is a deficient number, since it is larger than the sum of its proper divisors (1708891).

117328709 is a wasteful number, since it uses less digits than its factorization.

117328709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 117328709 is about 10831.8377480463. The cubic root of 117328709 is about 489.5549325325.

The spelling of 117328709 in words is "one hundred seventeen million, three hundred twenty-eight thousand, seven hundred nine".