117583839 has 32 divisors (see below), whose sum is σ = 179159040. Its totient is φ = 76186656.

The previous prime is 117583831. The next prime is 117583841. The reversal of 117583839 is 938385711.

It is not a de Polignac number, because 117583839 - 2³ = 117583831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117583794 and 117583803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117583831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181414 + ... + 182060.

It is an arithmetic number, because the mean of its divisors is an integer number (5598720).

Almost surely, 2^117583839 is an apocalyptic number.

117583839 is a deficient number, since it is larger than the sum of its proper divisors (61575201).

117583839 is a wasteful number, since it uses less digits than its factorization.

117583839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 830 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 117583839 is about 10843.6082094476. The cubic root of 117583839 is about 489.9095195978.

The spelling of 117583839 in words is "one hundred seventeen million, five hundred eighty-three thousand, eight hundred thirty-nine".