855067983 has 24 divisors (see below), whose sum is σ = 1446796800. Its totient is φ = 444190320.

The previous prime is 855067973. The next prime is 855067991. The reversal of 855067983 is 389760558.

It is not a de Polignac number, because 855067983 - 2²⁰ = 854019407 is a prime.

It is a super-2 number, since 2×855067983² = 1462282511103376578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855067973) 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 in 23 ways as a sum of consecutive naturals, for example, 262783 + ... + 266016.

It is an arithmetic number, because the mean of its divisors is an integer number (60283200).

Almost surely, 2^855067983 is an apocalyptic number.

855067983 is a deficient number, since it is larger than the sum of its proper divisors (591728817).

855067983 is a wasteful number, since it uses less digits than its factorization.

855067983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528827 (or 528820 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 855067983 is about 29241.5454960917. The cubic root of 855067983 is about 949.1471507544.

The spelling of 855067983 in words is "eight hundred fifty-five million, sixty-seven thousand, nine hundred eighty-three".