117981670238 has 8 divisors (see below), whose sum is σ = 177001473888. Its totient is φ = 58981178944.

The previous prime is 117981670231. The next prime is 117981670243. The reversal of 117981670238 is 832076189711.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117981670238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117981670231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4812806 + ... + 4837257.

It is an arithmetic number, because the mean of its divisors is an integer number (22125184236).

Almost surely, 2^117981670238 is an apocalyptic number.

117981670238 is a deficient number, since it is larger than the sum of its proper divisors (59019803650).

117981670238 is an equidigital number, since it uses as much as digits as its factorization.

117981670238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656178.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 117981670238 in words is "one hundred seventeen billion, nine hundred eighty-one million, six hundred seventy thousand, two hundred thirty-eight".