117793177 has 2 divisors, whose sum is σ = 117793178. Its totient is φ = 117793176.

The previous prime is 117793147. The next prime is 117793183. The reversal of 117793177 is 771397711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106069401 + 11723776 = 10299^2 + 3424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117793177 is a prime.

It is not a weakly prime, because it can be changed into another prime (117793147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58896588 + 58896589.

It is an arithmetic number, because the mean of its divisors is an integer number (58896589).

Almost surely, 2^117793177 is an apocalyptic number.

It is an amenable number.

117793177 is a deficient number, since it is larger than the sum of its proper divisors (1).

117793177 is an equidigital number, since it uses as much as digits as its factorization.

117793177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64827, while the sum is 43.

The square root of 117793177 is about 10853.2565159034. The cubic root of 117793177 is about 490.2000807226.

The spelling of 117793177 in words is "one hundred seventeen million, seven hundred ninety-three thousand, one hundred seventy-seven".