827227879 has 2 divisors, whose sum is σ = 827227880. Its totient is φ = 827227878.

The previous prime is 827227873. The next prime is 827227889. The reversal of 827227879 is 978722728.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827227879 - 2¹⁷ = 827096807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827227873) 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 as a sum of consecutive naturals, namely, 413613939 + 413613940.

It is an arithmetic number, because the mean of its divisors is an integer number (413613940).

Almost surely, 2^827227879 is an apocalyptic number.

827227879 is a deficient number, since it is larger than the sum of its proper divisors (1).

827227879 is an equidigital number, since it uses as much as digits as its factorization.

827227879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 52.

The square root of 827227879 is about 28761.5694808194. The cubic root of 827227879 is about 938.7322123482.

It can be divided in two parts, 82722 and 7879, that added together give a square (90601 = 301²).

The spelling of 827227879 in words is "eight hundred twenty-seven million, two hundred twenty-seven thousand, eight hundred seventy-nine".