117198723309 has 8 divisors (see below), whose sum is σ = 157137953760. Its totient is φ = 77695987536.

The previous prime is 117198723307. The next prime is 117198723329. The reversal of 117198723309 is 903327891711.

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

It is not a de Polignac number, because 117198723309 - 2¹ = 117198723307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117198723307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109123042 + ... + 109124115.

It is an arithmetic number, because the mean of its divisors is an integer number (19642244220).

Almost surely, 2^117198723309 is an apocalyptic number.

It is an amenable number.

117198723309 is a deficient number, since it is larger than the sum of its proper divisors (39939230451).

117198723309 is a wasteful number, since it uses less digits than its factorization.

117198723309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218247339.

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 117198723309 in words is "one hundred seventeen billion, one hundred ninety-eight million, seven hundred twenty-three thousand, three hundred nine".