86589546839 has 2 divisors, whose sum is σ = 86589546840. Its totient is φ = 86589546838.

The previous prime is 86589546821. The next prime is 86589546913. The reversal of 86589546839 is 93864598568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86589546839 - 2²⁰ = 86588498263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86589546739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43294773419 + 43294773420.

It is an arithmetic number, because the mean of its divisors is an integer number (43294773420).

Almost surely, 2^86589546839 is an apocalyptic number.

86589546839 is a deficient number, since it is larger than the sum of its proper divisors (1).

86589546839 is an equidigital number, since it uses as much as digits as its factorization.

86589546839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 447897600, while the sum is 71.

The spelling of 86589546839 in words is "eighty-six billion, five hundred eighty-nine million, five hundred forty-six thousand, eight hundred thirty-nine".