8085850427749 has 2 divisors, whose sum is σ = 8085850427750. Its totient is φ = 8085850427748.

The previous prime is 8085850427597. The next prime is 8085850427771. The reversal of 8085850427749 is 9477240585808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4506916702500 + 3578933725249 = 2122950^2 + 1891807^2 .

It is a cyclic number.

It is not a de Polignac number, because 8085850427749 - 2²⁵ = 8085816873317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8085850427779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4042925213874 + 4042925213875.

It is an arithmetic number, because the mean of its divisors is an integer number (4042925213875).

Almost surely, 2^{8085850427749} is an apocalyptic number.

It is an amenable number.

8085850427749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8085850427749 is an equidigital number, since it uses as much as digits as its factorization.

8085850427749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180633600, while the sum is 67.

The spelling of 8085850427749 in words is "eight trillion, eighty-five billion, eight hundred fifty million, four hundred twenty-seven thousand, seven hundred forty-nine".