117860839 has 8 divisors (see below), whose sum is σ = 120811248. Its totient is φ = 114945600.

The previous prime is 117860837. The next prime is 117860849. The reversal of 117860839 is 938068711.

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 117860839 - 2¹ = 117860837 is a prime.

It is a super-3 number, since 3×117860839³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117860795 and 117860804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117860833) 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, 1942 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (15101406).

Almost surely, 2^117860839 is an apocalyptic number.

117860839 is a deficient number, since it is larger than the sum of its proper divisors (2950409).

117860839 is a wasteful number, since it uses less digits than its factorization.

117860839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 117860839 is about 10856.3731973436. The cubic root of 117860839 is about 490.2939219508.

The spelling of 117860839 in words is "one hundred seventeen million, eight hundred sixty thousand, eight hundred thirty-nine".