85586465317 has 2 divisors, whose sum is σ = 85586465318. Its totient is φ = 85586465316.

The previous prime is 85586465299. The next prime is 85586465329. The reversal of 85586465317 is 71356468558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83035609281 + 2550856036 = 288159^2 + 50506^2 .

It is a cyclic number.

It is not a de Polignac number, because 85586465317 - 2¹¹ = 85586463269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85586465117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42793232658 + 42793232659.

It is an arithmetic number, because the mean of its divisors is an integer number (42793232659).

Almost surely, 2^85586465317 is an apocalyptic number.

It is an amenable number.

85586465317 is a deficient number, since it is larger than the sum of its proper divisors (1).

85586465317 is an equidigital number, since it uses as much as digits as its factorization.

85586465317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192000, while the sum is 58.

The spelling of 85586465317 in words is "eighty-five billion, five hundred eighty-six million, four hundred sixty-five thousand, three hundred seventeen".