85593811 has 2 divisors, whose sum is σ = 85593812. Its totient is φ = 85593810.

The previous prime is 85593799. The next prime is 85593817. The reversal of 85593811 is 11839558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85593811 - 2²³ = 77205203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85593817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42796905 + 42796906.

It is an arithmetic number, because the mean of its divisors is an integer number (42796906).

Almost surely, 2^85593811 is an apocalyptic number.

85593811 is a deficient number, since it is larger than the sum of its proper divisors (1).

85593811 is an equidigital number, since it uses as much as digits as its factorization.

85593811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 85593811 is about 9251.6923316764. The cubic root of 85593811 is about 440.7044689487.

The spelling of 85593811 in words is "eighty-five million, five hundred ninety-three thousand, eight hundred eleven".