117829239 has 8 divisors (see below), whose sum is σ = 171388032. Its totient is φ = 71411640.

The previous prime is 117829223. The next prime is 117829249. The reversal of 117829239 is 932928711.

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

It is not a de Polignac number, because 117829239 - 2⁴ = 117829223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117829239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117829249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785259 + ... + 1785324.

It is an arithmetic number, because the mean of its divisors is an integer number (21423504).

Almost surely, 2^117829239 is an apocalyptic number.

117829239 is a deficient number, since it is larger than the sum of its proper divisors (53558793).

117829239 is a wasteful number, since it uses less digits than its factorization.

117829239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570597.

The product of its digits is 54432, while the sum is 42.

The square root of 117829239 is about 10854.9177334515. The cubic root of 117829239 is about 490.2501000081.

The spelling of 117829239 in words is "one hundred seventeen million, eight hundred twenty-nine thousand, two hundred thirty-nine".