8739239117 has 16 divisors (see below), whose sum is σ = 10572397440. Its totient is φ = 7064269632.

The previous prime is 8739239083. The next prime is 8739239129. The reversal of 8739239117 is 7119329378.

8739239117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8739239117 - 2²⁰ = 8738190541 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 (8739239417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491858 + ... + 509315.

It is an arithmetic number, because the mean of its divisors is an integer number (660774840).

Almost surely, 2^8739239117 is an apocalyptic number.

It is an amenable number.

8739239117 is a deficient number, since it is larger than the sum of its proper divisors (1833158323).

8739239117 is a wasteful number, since it uses less digits than its factorization.

8739239117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001252.

The product of its digits is 571536, while the sum is 50.

The square root of 8739239117 is about 93483.8976348333. The cubic root of 8739239117 is about 2059.7975668267.

The spelling of 8739239117 in words is "eight billion, seven hundred thirty-nine million, two hundred thirty-nine thousand, one hundred seventeen".