117896585497 has 2 divisors, whose sum is σ = 117896585498. Its totient is φ = 117896585496.

The previous prime is 117896585467. The next prime is 117896585509. The reversal of 117896585497 is 794585698711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66390736896 + 51505848601 = 257664^2 + 226949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117896585497 is a prime.

It is not a weakly prime, because it can be changed into another prime (117896585407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58948292748 + 58948292749.

It is an arithmetic number, because the mean of its divisors is an integer number (58948292749).

Almost surely, 2^117896585497 is an apocalyptic number.

It is an amenable number.

117896585497 is a deficient number, since it is larger than the sum of its proper divisors (1).

117896585497 is an equidigital number, since it uses as much as digits as its factorization.

117896585497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 70.

The spelling of 117896585497 in words is "one hundred seventeen billion, eight hundred ninety-six million, five hundred eighty-five thousand, four hundred ninety-seven".