117912679 has 8 divisors (see below), whose sum is σ = 121316832. Its totient is φ = 114533760.

The previous prime is 117912677. The next prime is 117912703. The reversal of 117912679 is 976219711.

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

It is a cyclic number.

It is not a de Polignac number, because 117912679 - 2¹ = 117912677 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 (117912671) 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, 3382 + ... + 15724.

It is an arithmetic number, because the mean of its divisors is an integer number (15164604).

Almost surely, 2^117912679 is an apocalyptic number.

117912679 is a deficient number, since it is larger than the sum of its proper divisors (3404153).

117912679 is a wasteful number, since it uses less digits than its factorization.

117912679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617.

The product of its digits is 47628, while the sum is 43.

The square root of 117912679 is about 10858.7604725401. The cubic root of 117912679 is about 490.3657951632.

The spelling of 117912679 in words is "one hundred seventeen million, nine hundred twelve thousand, six hundred seventy-nine".