850811055 has 16 divisors (see below), whose sum is σ = 1420485120. Its totient is φ = 434036768.

The previous prime is 850811047. The next prime is 850811057. The reversal of 850811055 is 550118058.

It is a cyclic number.

It is not a de Polignac number, because 850811055 - 2³ = 850811047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850811057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232715 + ... + 1233404.

It is an arithmetic number, because the mean of its divisors is an integer number (88780320).

Almost surely, 2^850811055 is an apocalyptic number.

850811055 is a deficient number, since it is larger than the sum of its proper divisors (569674065).

850811055 is a wasteful number, since it uses less digits than its factorization.

850811055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466150.

The product of its (nonzero) digits is 8000, while the sum is 33.

The square root of 850811055 is about 29168.6656362611. The cubic root of 850811055 is about 947.5694302870.

The spelling of 850811055 in words is "eight hundred fifty million, eight hundred eleven thousand, fifty-five".