117826772737 has 2 divisors, whose sum is σ = 117826772738. Its totient is φ = 117826772736.

The previous prime is 117826772719. The next prime is 117826772741. The reversal of 117826772737 is 737277628711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117185720976 + 641051761 = 342324^2 + 25319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117826772737 is a prime.

It is not a weakly prime, because it can be changed into another prime (117826772137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58913386368 + 58913386369.

It is an arithmetic number, because the mean of its divisors is an integer number (58913386369).

Almost surely, 2^117826772737 is an apocalyptic number.

It is an amenable number.

117826772737 is a deficient number, since it is larger than the sum of its proper divisors (1).

117826772737 is an equidigital number, since it uses as much as digits as its factorization.

117826772737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9680832, while the sum is 58.

The spelling of 117826772737 in words is "one hundred seventeen billion, eight hundred twenty-six million, seven hundred seventy-two thousand, seven hundred thirty-seven".