86648579018459 has 2 divisors, whose sum is σ = 86648579018460. Its totient is φ = 86648579018458.

The previous prime is 86648579018447. The next prime is 86648579018483. The reversal of 86648579018459 is 95481097584668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86648579018459 - 2⁸ = 86648579018203 is a prime.

It is not a weakly prime, because it can be changed into another prime (86648579018429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43324289509229 + 43324289509230.

It is an arithmetic number, because the mean of its divisors is an integer number (43324289509230).

Almost surely, 2^{86648579018459} is an apocalyptic number.

86648579018459 is a deficient number, since it is larger than the sum of its proper divisors (1).

86648579018459 is an equidigital number, since it uses as much as digits as its factorization.

86648579018459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4180377600, while the sum is 80.

The spelling of 86648579018459 in words is "eighty-six trillion, six hundred forty-eight billion, five hundred seventy-nine million, eighteen thousand, four hundred fifty-nine".