86136393709 has 2 divisors, whose sum is σ = 86136393710. Its totient is φ = 86136393708.

The previous prime is 86136393703. The next prime is 86136393779. The reversal of 86136393709 is 90739363168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45492624100 + 40643769609 = 213290^2 + 201603^2 .

It is a cyclic number.

It is not a de Polignac number, because 86136393709 - 2²³ = 86128005101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86136393709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86136393703) 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, 43068196854 + 43068196855.

It is an arithmetic number, because the mean of its divisors is an integer number (43068196855).

Almost surely, 2^86136393709 is an apocalyptic number.

It is an amenable number.

86136393709 is a deficient number, since it is larger than the sum of its proper divisors (1).

86136393709 is an equidigital number, since it uses as much as digits as its factorization.

86136393709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 86136393709 in words is "eighty-six billion, one hundred thirty-six million, three hundred ninety-three thousand, seven hundred nine".