117194428238 has 8 divisors (see below), whose sum is σ = 185043834120. Its totient is φ = 55513150200.

The previous prime is 117194428151. The next prime is 117194428243. The reversal of 117194428238 is 832824491711.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542031913 + ... + 1542031988.

It is an arithmetic number, because the mean of its divisors is an integer number (23130479265).

Almost surely, 2^117194428238 is an apocalyptic number.

117194428238 is a deficient number, since it is larger than the sum of its proper divisors (67849405882).

117194428238 is a wasteful number, since it uses less digits than its factorization.

117194428238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084063922.

The product of its digits is 774144, while the sum is 50.

The spelling of 117194428238 in words is "one hundred seventeen billion, one hundred ninety-four million, four hundred twenty-eight thousand, two hundred thirty-eight".