8686608313 has 2 divisors, whose sum is σ = 8686608314. Its totient is φ = 8686608312.

The previous prime is 8686608181. The next prime is 8686608331. The reversal of 8686608313 is 3138066868.

It is a happy number.

8686608313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8686608331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6824081664 + 1862526649 = 82608^2 + 43157^2 .

It is a cyclic number.

It is not a de Polignac number, because 8686608313 - 2²⁵ = 8653053881 is a prime.

It is not a weakly prime, because it can be changed into another prime (8686608113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343304156 + 4343304157.

It is an arithmetic number, because the mean of its divisors is an integer number (4343304157).

Almost surely, 2^8686608313 is an apocalyptic number.

It is an amenable number.

8686608313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686608313 is an equidigital number, since it uses as much as digits as its factorization.

8686608313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 8686608313 is about 93201.9759071663. The cubic root of 8686608313 is about 2055.6542938991.

The spelling of 8686608313 in words is "eight billion, six hundred eighty-six million, six hundred eight thousand, three hundred thirteen".