8428759 has 2 divisors, whose sum is σ = 8428760. Its totient is φ = 8428758.

The previous prime is 8428729. The next prime is 8428769. The reversal of 8428759 is 9578248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8428759 - 2⁷ = 8428631 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4⁴ + 2²³ + 8⁵ + 7² + 5 + 9⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8428709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4214379 + 4214380.

It is an arithmetic number, because the mean of its divisors is an integer number (4214380).

Almost surely, 2^8428759 is an apocalyptic number.

8428759 is a deficient number, since it is larger than the sum of its proper divisors (1).

8428759 is an equidigital number, since it uses as much as digits as its factorization.

8428759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 8428759 is about 2903.2325087736. The cubic root of 8428759 is about 203.5109955483.

The spelling of 8428759 in words is "eight million, four hundred twenty-eight thousand, seven hundred fifty-nine".