86842628659 has 2 divisors, whose sum is σ = 86842628660. Its totient is φ = 86842628658.

The previous prime is 86842628573. The next prime is 86842628693. The reversal of 86842628659 is 95682624868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86842628659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86842628659.

It is not a weakly prime, because it can be changed into another prime (86842608659) 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, 43421314329 + 43421314330.

It is an arithmetic number, because the mean of its divisors is an integer number (43421314330).

Almost surely, 2^86842628659 is an apocalyptic number.

86842628659 is a deficient number, since it is larger than the sum of its proper divisors (1).

86842628659 is an equidigital number, since it uses as much as digits as its factorization.

86842628659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79626240, while the sum is 64.

The spelling of 86842628659 in words is "eighty-six billion, eight hundred forty-two million, six hundred twenty-eight thousand, six hundred fifty-nine".