117168769 has 2 divisors, whose sum is σ = 117168770. Its totient is φ = 117168768.

The previous prime is 117168731. The next prime is 117168781. The reversal of 117168769 is 967861711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90954369 + 26214400 = 9537^2 + 5120^2 .

It is an emirp because it is prime and its reverse (967861711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117168769 - 2⁹ = 117168257 is a prime.

It is a super-2 number, since 2×117168769² = 27457040857950722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117168719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58584384 + 58584385.

It is an arithmetic number, because the mean of its divisors is an integer number (58584385).

Almost surely, 2^117168769 is an apocalyptic number.

It is an amenable number.

117168769 is a deficient number, since it is larger than the sum of its proper divisors (1).

117168769 is an equidigital number, since it uses as much as digits as its factorization.

117168769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 46.

The square root of 117168769 is about 10824.4523649005. The cubic root of 117168769 is about 489.3323810863.

The spelling of 117168769 in words is "one hundred seventeen million, one hundred sixty-eight thousand, seven hundred sixty-nine".