117623708489 has 4 divisors (see below), whose sum is σ = 134427095424. Its totient is φ = 100820321556.

The previous prime is 117623708479. The next prime is 117623708593. The reversal of 117623708489 is 984807326711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117623708489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117623708429) 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, 8401693457 + ... + 8401693470.

It is an arithmetic number, because the mean of its divisors is an integer number (33606773856).

Almost surely, 2^117623708489 is an apocalyptic number.

It is an amenable number.

117623708489 is a deficient number, since it is larger than the sum of its proper divisors (16803386935).

117623708489 is an equidigital number, since it uses as much as digits as its factorization.

117623708489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16803386934.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 117623708489 in words is "one hundred seventeen billion, six hundred twenty-three million, seven hundred eight thousand, four hundred eighty-nine".