86491296599 has 2 divisors, whose sum is σ = 86491296600. Its totient is φ = 86491296598.

The previous prime is 86491296583. The next prime is 86491296623. The reversal of 86491296599 is 99569219468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86491296599 - 2⁴ = 86491296583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86491296509) 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, 43245648299 + 43245648300.

It is an arithmetic number, because the mean of its divisors is an integer number (43245648300).

Almost surely, 2^86491296599 is an apocalyptic number.

86491296599 is a deficient number, since it is larger than the sum of its proper divisors (1).

86491296599 is an equidigital number, since it uses as much as digits as its factorization.

86491296599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 68.

The spelling of 86491296599 in words is "eighty-six billion, four hundred ninety-one million, two hundred ninety-six thousand, five hundred ninety-nine".