117895839 has 8 divisors (see below), whose sum is σ = 157330992. Its totient is φ = 78528960.

The previous prime is 117895823. The next prime is 117895847. The reversal of 117895839 is 938598711.

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

It is not a de Polignac number, because 117895839 - 2⁴ = 117895823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117895791 and 117895800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117895849) 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, 12892 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (19666374).

Almost surely, 2^117895839 is an apocalyptic number.

117895839 is a deficient number, since it is larger than the sum of its proper divisors (39435153).

117895839 is a wasteful number, since it uses less digits than its factorization.

117895839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34137.

The product of its digits is 544320, while the sum is 51.

The square root of 117895839 is about 10857.9850340659. The cubic root of 117895839 is about 490.3424497712.

The spelling of 117895839 in words is "one hundred seventeen million, eight hundred ninety-five thousand, eight hundred thirty-nine".