86066655870659 has 2 divisors, whose sum is σ = 86066655870660. Its totient is φ = 86066655870658.

The previous prime is 86066655870649. The next prime is 86066655870733. The reversal of 86066655870659 is 95607855666068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86066655870659 - 2²⁴ = 86066639093443 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86066655870659.

It is not a weakly prime, because it can be changed into another prime (86066655870649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43033327935329 + 43033327935330.

It is an arithmetic number, because the mean of its divisors is an integer number (43033327935330).

Almost surely, 2^{86066655870659} is an apocalyptic number.

86066655870659 is a deficient number, since it is larger than the sum of its proper divisors (1).

86066655870659 is an equidigital number, since it uses as much as digits as its factorization.

86066655870659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104000, while the sum is 77.

The spelling of 86066655870659 in words is "eighty-six trillion, sixty-six billion, six hundred fifty-five million, eight hundred seventy thousand, six hundred fifty-nine".