117996439 has 8 divisors (see below), whose sum is σ = 136295568. Its totient is φ = 100959360.

The previous prime is 117996433. The next prime is 117996449. The reversal of 117996439 is 934699711.

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 117996439 - 2⁷ = 117996311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117996392 and 117996401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117996433) 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, 315312 + ... + 315685.

It is an arithmetic number, because the mean of its divisors is an integer number (17036946).

Almost surely, 2^117996439 is an apocalyptic number.

117996439 is a deficient number, since it is larger than the sum of its proper divisors (18299129).

117996439 is a wasteful number, since it uses less digits than its factorization.

117996439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631025.

The product of its digits is 367416, while the sum is 49.

The square root of 117996439 is about 10862.6165816529. The cubic root of 117996439 is about 490.4818791380.

The spelling of 117996439 in words is "one hundred seventeen million, nine hundred ninety-six thousand, four hundred thirty-nine".