9117379139 has 8 divisors (see below), whose sum is σ = 10177540032. Its totient is φ = 8095769640.

The previous prime is 9117379097. The next prime is 9117379163. The reversal of 9117379139 is 9319737119.

It is a happy number.

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 9117379139 - 2⁸ = 9117378883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9117379639) 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, 9637349 + ... + 9638294.

It is an arithmetic number, because the mean of its divisors is an integer number (1272192504).

Almost surely, 2^9117379139 is an apocalyptic number.

9117379139 is a deficient number, since it is larger than the sum of its proper divisors (1060160893).

9117379139 is a wasteful number, since it uses less digits than its factorization.

9117379139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275697.

The product of its digits is 321489, while the sum is 50.

The square root of 9117379139 is about 95484.9681311148. The cubic root of 9117379139 is about 2089.0876980282.

The spelling of 9117379139 in words is "nine billion, one hundred seventeen million, three hundred seventy-nine thousand, one hundred thirty-nine".