8712386702917 has 2 divisors, whose sum is σ = 8712386702918. Its totient is φ = 8712386702916.

The previous prime is 8712386702839. The next prime is 8712386702953. The reversal of 8712386702917 is 7192076832178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8675328142881 + 37058560036 = 2945391^2 + 192506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8712386702917 is a prime.

It is a super-2 number, since 2×8712386702917² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8712386702717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356193351458 + 4356193351459.

It is an arithmetic number, because the mean of its divisors is an integer number (4356193351459).

Almost surely, 2^{8712386702917} is an apocalyptic number.

It is an amenable number.

8712386702917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712386702917 is an equidigital number, since it uses as much as digits as its factorization.

8712386702917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 8712386702917 in words is "eight trillion, seven hundred twelve billion, three hundred eighty-six million, seven hundred two thousand, nine hundred seventeen".