117839732408 has 32 divisors (see below), whose sum is σ = 222568520160. Its totient is φ = 58488842880.

The previous prime is 117839732389. The next prime is 117839732531. The reversal of 117839732408 is 804237938711.

It is a self number, because there is not a number n which added to its sum of digits gives 117839732408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290998 + ... + 1379258.

It is an arithmetic number, because the mean of its divisors is an integer number (6955266255).

Almost surely, 2^117839732408 is an apocalyptic number.

It is an amenable number.

117839732408 is a deficient number, since it is larger than the sum of its proper divisors (104728787752).

117839732408 is a wasteful number, since it uses less digits than its factorization.

117839732408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89487 (or 89483 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 117839732408 in words is "one hundred seventeen billion, eight hundred thirty-nine million, seven hundred thirty-two thousand, four hundred eight".