117698057 has 2 divisors, whose sum is σ = 117698058. Its totient is φ = 117698056.

The previous prime is 117698017. The next prime is 117698069. The reversal of 117698057 is 750896711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 15768841 = 10096^2 + 3971^2 .

It is an emirp because it is prime and its reverse (750896711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117698057 - 2¹⁰ = 117697033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 117697999 and 117698017.

It is not a weakly prime, because it can be changed into another prime (117698017) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58849028 + 58849029.

It is an arithmetic number, because the mean of its divisors is an integer number (58849029).

Almost surely, 2^117698057 is an apocalyptic number.

It is an amenable number.

117698057 is a deficient number, since it is larger than the sum of its proper divisors (1).

117698057 is an equidigital number, since it uses as much as digits as its factorization.

117698057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 117698057 is about 10848.8735359944. The cubic root of 117698057 is about 490.0680968805.

The spelling of 117698057 in words is "one hundred seventeen million, six hundred ninety-eight thousand, fifty-seven".