885705564349 has 2 divisors, whose sum is σ = 885705564350. Its totient is φ = 885705564348.

The previous prime is 885705564311. The next prime is 885705564361. The reversal of 885705564349 is 943465507588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845447148324 + 40258416025 = 919482^2 + 200645^2 .

It is a cyclic number.

It is not a de Polignac number, because 885705564349 - 2²⁵ = 885672009917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885705564749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442852782174 + 442852782175.

It is an arithmetic number, because the mean of its divisors is an integer number (442852782175).

Almost surely, 2^885705564349 is an apocalyptic number.

It is an amenable number.

885705564349 is a deficient number, since it is larger than the sum of its proper divisors (1).

885705564349 is an equidigital number, since it uses as much as digits as its factorization.

885705564349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 885705564349 in words is "eight hundred eighty-five billion, seven hundred five million, five hundred sixty-four thousand, three hundred forty-nine".