117397417 has 2 divisors, whose sum is σ = 117397418. Its totient is φ = 117397416.

The previous prime is 117397381. The next prime is 117397421. The reversal of 117397417 is 714793711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116014441 + 1382976 = 10771^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 117397417 - 2⁷ = 117397289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117397417.

It is not a weakly prime, because it can be changed into another prime (117397457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58698708 + 58698709.

It is an arithmetic number, because the mean of its divisors is an integer number (58698709).

Almost surely, 2^117397417 is an apocalyptic number.

It is an amenable number.

117397417 is a deficient number, since it is larger than the sum of its proper divisors (1).

117397417 is an equidigital number, since it uses as much as digits as its factorization.

117397417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 40.

The square root of 117397417 is about 10835.0088601717. The cubic root of 117397417 is about 489.6504754361.

The spelling of 117397417 in words is "one hundred seventeen million, three hundred ninety-seven thousand, four hundred seventeen".