117795217 has 2 divisors, whose sum is σ = 117795218. Its totient is φ = 117795216.

The previous prime is 117795199. The next prime is 117795263. The reversal of 117795217 is 712597711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 57017601 = 7796^2 + 7551^2 .

It is a cyclic number.

It is not a de Polignac number, because 117795217 - 2⁷ = 117795089 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117795217.

It is not a weakly prime, because it can be changed into another prime (117795277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58897608 + 58897609.

It is an arithmetic number, because the mean of its divisors is an integer number (58897609).

Almost surely, 2^117795217 is an apocalyptic number.

It is an amenable number.

117795217 is a deficient number, since it is larger than the sum of its proper divisors (1).

117795217 is an equidigital number, since it uses as much as digits as its factorization.

117795217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30870, while the sum is 40.

The square root of 117795217 is about 10853.3504965057. The cubic root of 117795217 is about 490.2029105481.

The spelling of 117795217 in words is "one hundred seventeen million, seven hundred ninety-five thousand, two hundred seventeen".