117994892737 has 2 divisors, whose sum is σ = 117994892738. Its totient is φ = 117994892736.

The previous prime is 117994892707. The next prime is 117994892759. The reversal of 117994892737 is 737298499711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64866486721 + 53128406016 = 254689^2 + 230496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117994892737 is a prime.

It is a super-2 number, since 2×117994892737² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117994892707) 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, 58997446368 + 58997446369.

It is an arithmetic number, because the mean of its divisors is an integer number (58997446369).

Almost surely, 2^117994892737 is an apocalyptic number.

It is an amenable number.

117994892737 is a deficient number, since it is larger than the sum of its proper divisors (1).

117994892737 is an equidigital number, since it uses as much as digits as its factorization.

117994892737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 67.

The spelling of 117994892737 in words is "one hundred seventeen billion, nine hundred ninety-four million, eight hundred ninety-two thousand, seven hundred thirty-seven".