808840844827 has 2 divisors, whose sum is σ = 808840844828. Its totient is φ = 808840844826.

The previous prime is 808840844821. The next prime is 808840844831. The reversal of 808840844827 is 728448048808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808840844827 - 2¹¹ = 808840842779 is a prime.

It is not a weakly prime, because it can be changed into another prime (808840844821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404420422413 + 404420422414.

It is an arithmetic number, because the mean of its divisors is an integer number (404420422414).

Almost surely, 2^808840844827 is an apocalyptic number.

808840844827 is a deficient number, since it is larger than the sum of its proper divisors (1).

808840844827 is an equidigital number, since it uses as much as digits as its factorization.

808840844827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29360128, while the sum is 61.

The spelling of 808840844827 in words is "eight hundred eight billion, eight hundred forty million, eight hundred forty-four thousand, eight hundred twenty-seven".