8686622713 has 2 divisors, whose sum is σ = 8686622714. Its totient is φ = 8686622712.

The previous prime is 8686622701. The next prime is 8686622723. The reversal of 8686622713 is 3172266868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7550393449 + 1136229264 = 86893^2 + 33708^2 .

It is a cyclic number.

It is not a de Polignac number, because 8686622713 - 2²⁹ = 8149751801 is a prime.

It is not a weakly prime, because it can be changed into another prime (8686622723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343311356 + 4343311357.

It is an arithmetic number, because the mean of its divisors is an integer number (4343311357).

Almost surely, 2^8686622713 is an apocalyptic number.

It is an amenable number.

8686622713 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686622713 is an equidigital number, since it uses as much as digits as its factorization.

8686622713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 8686622713 is about 93202.0531587153. The cubic root of 8686622713 is about 2055.6554298011.

The spelling of 8686622713 in words is "eight billion, six hundred eighty-six million, six hundred twenty-two thousand, seven hundred thirteen".