117757517 has 2 divisors, whose sum is σ = 117757518. Its totient is φ = 117757516.

The previous prime is 117757463. The next prime is 117757529. The reversal of 117757517 is 715757711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 121801 = 10846^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 117757517 - 2⁸ = 117757261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117757537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58878758 + 58878759.

It is an arithmetic number, because the mean of its divisors is an integer number (58878759).

Almost surely, 2^117757517 is an apocalyptic number.

It is an amenable number.

117757517 is a deficient number, since it is larger than the sum of its proper divisors (1).

117757517 is an equidigital number, since it uses as much as digits as its factorization.

117757517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60025, while the sum is 41.

The square root of 117757517 is about 10851.6135666545. The cubic root of 117757517 is about 490.1506089858.

The spelling of 117757517 in words is "one hundred seventeen million, seven hundred fifty-seven thousand, five hundred seventeen".