117382165679 has 4 divisors (see below), whose sum is σ = 119596923576. Its totient is φ = 115167407784.

The previous prime is 117382165657. The next prime is 117382165711. The reversal of 117382165679 is 976561283711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117382165679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117382165619) 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, 1107378869 + ... + 1107378974.

It is an arithmetic number, because the mean of its divisors is an integer number (29899230894).

Almost surely, 2^117382165679 is an apocalyptic number.

117382165679 is a deficient number, since it is larger than the sum of its proper divisors (2214757897).

117382165679 is an equidigital number, since it uses as much as digits as its factorization.

117382165679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214757896.

The product of its digits is 3810240, while the sum is 56.

The spelling of 117382165679 in words is "one hundred seventeen billion, three hundred eighty-two million, one hundred sixty-five thousand, six hundred seventy-nine".