827055813 has 16 divisors (see below), whose sum is σ = 1132330752. Its totient is φ = 536640000.

The previous prime is 827055811. The next prime is 827055829. The reversal of 827055813 is 318550728.

It is not a de Polignac number, because 827055813 - 2¹ = 827055811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827055811) 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, 45213 + ... + 60813.

It is an arithmetic number, because the mean of its divisors is an integer number (70770672).

Almost surely, 2^827055813 is an apocalyptic number.

It is an amenable number.

827055813 is a deficient number, since it is larger than the sum of its proper divisors (305274939).

827055813 is a wasteful number, since it uses less digits than its factorization.

827055813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 827055813 is about 28758.5780768104. The cubic root of 827055813 is about 938.6671214176.

The spelling of 827055813 in words is "eight hundred twenty-seven million, fifty-five thousand, eight hundred thirteen".