86516559823 has 2 divisors, whose sum is σ = 86516559824. Its totient is φ = 86516559822.

The previous prime is 86516559797. The next prime is 86516559847. The reversal of 86516559823 is 32895561568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86516559823 - 2¹³ = 86516551631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86516559893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43258279911 + 43258279912.

It is an arithmetic number, because the mean of its divisors is an integer number (43258279912).

Almost surely, 2^86516559823 is an apocalyptic number.

86516559823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86516559823 is an equidigital number, since it uses as much as digits as its factorization.

86516559823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552000, while the sum is 58.

The spelling of 86516559823 in words is "eighty-six billion, five hundred sixteen million, five hundred fifty-nine thousand, eight hundred twenty-three".