86928716813 has 2 divisors, whose sum is σ = 86928716814. Its totient is φ = 86928716812.

The previous prime is 86928716783. The next prime is 86928716879. The reversal of 86928716813 is 31861782968.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64883297284 + 22045419529 = 254722^2 + 148477^2 .

It is a cyclic number.

It is not a de Polignac number, because 86928716813 - 2¹⁴ = 86928700429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86928712813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43464358406 + 43464358407.

It is an arithmetic number, because the mean of its divisors is an integer number (43464358407).

Almost surely, 2^86928716813 is an apocalyptic number.

It is an amenable number.

86928716813 is a deficient number, since it is larger than the sum of its proper divisors (1).

86928716813 is an equidigital number, since it uses as much as digits as its factorization.

86928716813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 59.

The spelling of 86928716813 in words is "eighty-six billion, nine hundred twenty-eight million, seven hundred sixteen thousand, eight hundred thirteen".