85805323046899 has 2 divisors, whose sum is σ = 85805323046900. Its totient is φ = 85805323046898.

The previous prime is 85805323046879. The next prime is 85805323046903. The reversal of 85805323046899 is 99864032350858.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85805323046899 - 2¹¹ = 85805323044851 is a prime.

It is not a weakly prime, because it can be changed into another prime (85805323046869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42902661523449 + 42902661523450.

It is an arithmetic number, because the mean of its divisors is an integer number (42902661523450).

Almost surely, 2^{85805323046899} is an apocalyptic number.

85805323046899 is a deficient number, since it is larger than the sum of its proper divisors (1).

85805323046899 is an equidigital number, since it uses as much as digits as its factorization.

85805323046899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 447897600, while the sum is 70.

The spelling of 85805323046899 in words is "eighty-five trillion, eight hundred five billion, three hundred twenty-three million, forty-six thousand, eight hundred ninety-nine".