827484839 has 2 divisors, whose sum is σ = 827484840. Its totient is φ = 827484838.

The previous prime is 827484769. The next prime is 827484893. The reversal of 827484839 is 938484728.

It is a happy number.

827484839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (827484893) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-827484839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827484899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413742419 + 413742420.

It is an arithmetic number, because the mean of its divisors is an integer number (413742420).

Almost surely, 2^827484839 is an apocalyptic number.

827484839 is a deficient number, since it is larger than the sum of its proper divisors (1).

827484839 is an equidigital number, since it uses as much as digits as its factorization.

827484839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 53.

The square root of 827484839 is about 28766.0362059148. The cubic root of 827484839 is about 938.8294010687.

The spelling of 827484839 in words is "eight hundred twenty-seven million, four hundred eighty-four thousand, eight hundred thirty-nine".