28256267071 has 2 divisors, whose sum is σ = 28256267072. Its totient is φ = 28256267070.

The previous prime is 28256267059. The next prime is 28256267077. The reversal of 28256267071 is 17076265282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28256267071 - 2²⁷ = 28122049343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28256267077) 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, 14128133535 + 14128133536.

It is an arithmetic number, because the mean of its divisors is an integer number (14128133536).

Almost surely, 2^28256267071 is an apocalyptic number.

28256267071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28256267071 is an equidigital number, since it uses as much as digits as its factorization.

28256267071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 28256267071 in words is "twenty-eight billion, two hundred fifty-six million, two hundred sixty-seven thousand, seventy-one".