117728327293 has 2 divisors, whose sum is σ = 117728327294. Its totient is φ = 117728327292.

The previous prime is 117728327263. The next prime is 117728327309. The reversal of 117728327293 is 392723827711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104537115684 + 13191211609 = 323322^2 + 114853^2 .

It is a cyclic number.

It is not a de Polignac number, because 117728327293 - 2⁵ = 117728327261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117728327293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117728327263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58864163646 + 58864163647.

It is an arithmetic number, because the mean of its divisors is an integer number (58864163647).

Almost surely, 2^117728327293 is an apocalyptic number.

It is an amenable number.

117728327293 is a deficient number, since it is larger than the sum of its proper divisors (1).

117728327293 is an equidigital number, since it uses as much as digits as its factorization.

117728327293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 52.

The spelling of 117728327293 in words is "one hundred seventeen billion, seven hundred twenty-eight million, three hundred twenty-seven thousand, two hundred ninety-three".