7712793281117 has 2 divisors, whose sum is σ = 7712793281118. Its totient is φ = 7712793281116.

The previous prime is 7712793281111. The next prime is 7712793281173. The reversal of 7712793281117 is 7111823972177.

It is a happy number.

It is an a-pointer prime, because the next prime (7712793281173) can be obtained adding 7712793281117 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7294677149956 + 418116131161 = 2700866^2 + 646619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7712793281117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7712793281111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856396640558 + 3856396640559.

It is an arithmetic number, because the mean of its divisors is an integer number (3856396640559).

Almost surely, 2^{7712793281117} is an apocalyptic number.

It is an amenable number.

7712793281117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712793281117 is an equidigital number, since it uses as much as digits as its factorization.

7712793281117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 56.

The spelling of 7712793281117 in words is "seven trillion, seven hundred twelve billion, seven hundred ninety-three million, two hundred eighty-one thousand, one hundred seventeen".