8279428259 has 2 divisors, whose sum is σ = 8279428260. Its totient is φ = 8279428258.

The previous prime is 8279428211. The next prime is 8279428279. The reversal of 8279428259 is 9528249728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8279428259 is a prime.

It is not a weakly prime, because it can be changed into another prime (8279428279) 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, 4139714129 + 4139714130.

It is an arithmetic number, because the mean of its divisors is an integer number (4139714130).

Almost surely, 2^8279428259 is an apocalyptic number.

8279428259 is a deficient number, since it is larger than the sum of its proper divisors (1).

8279428259 is an equidigital number, since it uses as much as digits as its factorization.

8279428259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The square root of 8279428259 is about 90991.3636506235. The cubic root of 8279428259 is about 2023.0197180147.

The spelling of 8279428259 in words is "eight billion, two hundred seventy-nine million, four hundred twenty-eight thousand, two hundred fifty-nine".