117839612 has 12 divisors (see below), whose sum is σ = 224966616. Its totient is φ = 53563440.

The previous prime is 117839599. The next prime is 117839633. The reversal of 117839612 is 216938711.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339043 + ... + 1339130.

It is an arithmetic number, because the mean of its divisors is an integer number (18747218).

Almost surely, 2^117839612 is an apocalyptic number.

It is an amenable number.

117839612 is a deficient number, since it is larger than the sum of its proper divisors (107127004).

117839612 is a wasteful number, since it uses less digits than its factorization.

117839612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678188 (or 2678186 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 117839612 is about 10855.3955248070. The cubic root of 117839612 is about 490.2644858405.

Subtracting 117839612 from its reverse (216938711), we obtain a palindrome (99099099).

The spelling of 117839612 in words is "one hundred seventeen million, eight hundred thirty-nine thousand, six hundred twelve".