117397029317 has 4 divisors (see below), whose sum is σ = 119612067660. Its totient is φ = 115181990976.

The previous prime is 117397029313. The next prime is 117397029331. The reversal of 117397029317 is 713920793711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66110180161 + 51286849156 = 257119^2 + 226466^2 .

It is a cyclic number.

It is not a de Polignac number, because 117397029317 - 2² = 117397029313 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 (117397029311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107519092 + ... + 1107519197.

It is an arithmetic number, because the mean of its divisors is an integer number (29903016915).

Almost surely, 2^117397029317 is an apocalyptic number.

It is an amenable number.

117397029317 is a deficient number, since it is larger than the sum of its proper divisors (2215038343).

117397029317 is an equidigital number, since it uses as much as digits as its factorization.

117397029317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215038342.

The product of its (nonzero) digits is 500094, while the sum is 50.

The spelling of 117397029317 in words is "one hundred seventeen billion, three hundred ninety-seven million, twenty-nine thousand, three hundred seventeen".