86675788804613 has 2 divisors, whose sum is σ = 86675788804614. Its totient is φ = 86675788804612.

The previous prime is 86675788804597. The next prime is 86675788804651. The reversal of 86675788804613 is 31640888757668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70957592918689 + 15718195885924 = 8423633^2 + 3964618^2 .

It is a cyclic number.

It is not a de Polignac number, because 86675788804613 - 2⁴ = 86675788804597 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 (86675788807613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43337894402306 + 43337894402307.

It is an arithmetic number, because the mean of its divisors is an integer number (43337894402307).

Almost surely, 2^{86675788804613} is an apocalyptic number.

It is an amenable number.

86675788804613 is a deficient number, since it is larger than the sum of its proper divisors (1).

86675788804613 is an equidigital number, since it uses as much as digits as its factorization.

86675788804613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2601123840, while the sum is 77.

The spelling of 86675788804613 in words is "eighty-six trillion, six hundred seventy-five billion, seven hundred eighty-eight million, eight hundred four thousand, six hundred thirteen".