117299617 has 2 divisors, whose sum is σ = 117299618. Its totient is φ = 117299616.

The previous prime is 117299599. The next prime is 117299621. The reversal of 117299617 is 716992711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97930816 + 19368801 = 9896^2 + 4401^2 .

It is an emirp because it is prime and its reverse (716992711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117299617 - 2⁷ = 117299489 is a prime.

It is not a weakly prime, because it can be changed into another prime (117299687) 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 as a sum of consecutive naturals, namely, 58649808 + 58649809.

It is an arithmetic number, because the mean of its divisors is an integer number (58649809).

Almost surely, 2^117299617 is an apocalyptic number.

It is an amenable number.

117299617 is a deficient number, since it is larger than the sum of its proper divisors (1).

117299617 is an equidigital number, since it uses as much as digits as its factorization.

117299617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 43.

The square root of 117299617 is about 10830.4947717083. The cubic root of 117299617 is about 489.5144669905.

The spelling of 117299617 in words is "one hundred seventeen million, two hundred ninety-nine thousand, six hundred seventeen".