86159813563 has 2 divisors, whose sum is σ = 86159813564. Its totient is φ = 86159813562.

The previous prime is 86159813501. The next prime is 86159813599. The reversal of 86159813563 is 36531895168.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86159813563 is a prime.

It is not a weakly prime, because it can be changed into another prime (86159813063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43079906781 + 43079906782.

It is an arithmetic number, because the mean of its divisors is an integer number (43079906782).

Almost surely, 2^86159813563 is an apocalyptic number.

86159813563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86159813563 is an equidigital number, since it uses as much as digits as its factorization.

86159813563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 55.

The spelling of 86159813563 in words is "eighty-six billion, one hundred fifty-nine million, eight hundred thirteen thousand, five hundred sixty-three".