855476811 has 48 divisors (see below), whose sum is σ = 1435898880. Its totient is φ = 480712320.

The previous prime is 855476807. The next prime is 855476819. The reversal of 855476811 is 118674558.

It is not a de Polignac number, because 855476811 - 2² = 855476807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855476819) 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 47 ways as a sum of consecutive naturals, for example, 1519216 + ... + 1519778.

It is an arithmetic number, because the mean of its divisors is an integer number (29914560).

Almost surely, 2^855476811 is an apocalyptic number.

855476811 is a deficient number, since it is larger than the sum of its proper divisors (580422069).

855476811 is a wasteful number, since it uses less digits than its factorization.

855476811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 933 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 855476811 is about 29248.5351940913. The cubic root of 855476811 is about 949.2983964690.

The spelling of 855476811 in words is "eight hundred fifty-five million, four hundred seventy-six thousand, eight hundred eleven".