1028263279 has 2 divisors, whose sum is σ = 1028263280. Its totient is φ = 1028263278.

The previous prime is 1028263217. The next prime is 1028263303. The reversal of 1028263279 is 9723628201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028263279 - 2¹¹ = 1028261231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028263879) 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, 514131639 + 514131640.

It is an arithmetic number, because the mean of its divisors is an integer number (514131640).

Almost surely, 2^1028263279 is an apocalyptic number.

1028263279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028263279 is an equidigital number, since it uses as much as digits as its factorization.

1028263279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1028263279 is about 32066.5445441195. The cubic root of 1028263279 is about 1009.3337039264. Note that the first 3 decimals are identical.

The spelling of 1028263279 in words is "one billion, twenty-eight million, two hundred sixty-three thousand, two hundred seventy-nine".