8286811913 has 2 divisors, whose sum is σ = 8286811914. Its totient is φ = 8286811912.

The previous prime is 8286811889. The next prime is 8286811921. The reversal of 8286811913 is 3191186828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7708313209 + 578498704 = 87797^2 + 24052^2 .

It is a cyclic number.

It is not a de Polignac number, because 8286811913 - 2¹² = 8286807817 is a prime.

It is not a weakly prime, because it can be changed into another prime (8286811963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143405956 + 4143405957.

It is an arithmetic number, because the mean of its divisors is an integer number (4143405957).

Almost surely, 2^8286811913 is an apocalyptic number.

It is an amenable number.

8286811913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8286811913 is an equidigital number, since it uses as much as digits as its factorization.

8286811913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 47.

The square root of 8286811913 is about 91031.9279868333. The cubic root of 8286811913 is about 2023.6209205363.

The spelling of 8286811913 in words is "eight billion, two hundred eighty-six million, eight hundred eleven thousand, nine hundred thirteen".