428827559 has 2 divisors, whose sum is σ = 428827560. Its totient is φ = 428827558.

The previous prime is 428827541. The next prime is 428827561. The reversal of 428827559 is 955728824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428827559 - 2⁸ = 428827303 is a prime.

Together with 428827561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428827579) 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 as a sum of consecutive naturals, namely, 214413779 + 214413780.

It is an arithmetic number, because the mean of its divisors is an integer number (214413780).

Almost surely, 2^428827559 is an apocalyptic number.

428827559 is a deficient number, since it is larger than the sum of its proper divisors (1).

428827559 is an equidigital number, since it uses as much as digits as its factorization.

428827559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The square root of 428827559 is about 20708.1519938405. The cubic root of 428827559 is about 754.0976070147.

The spelling of 428827559 in words is "four hundred twenty-eight million, eight hundred twenty-seven thousand, five hundred fifty-nine".