117077309 has 2 divisors, whose sum is σ = 117077310. Its totient is φ = 117077308.

The previous prime is 117077273. The next prime is 117077333. The reversal of 117077309 is 903770711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116165284 + 912025 = 10778^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 117077309 - 2²⁰ = 116028733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117077209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58538654 + 58538655.

It is an arithmetic number, because the mean of its divisors is an integer number (58538655).

Almost surely, 2^117077309 is an apocalyptic number.

It is an amenable number.

117077309 is a deficient number, since it is larger than the sum of its proper divisors (1).

117077309 is an equidigital number, since it uses as much as digits as its factorization.

117077309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 117077309 is about 10820.2268460509. The cubic root of 117077309 is about 489.2050263602.

The spelling of 117077309 in words is "one hundred seventeen million, seventy-seven thousand, three hundred nine".