28469256479 has 2 divisors, whose sum is σ = 28469256480. Its totient is φ = 28469256478.

The previous prime is 28469256463. The next prime is 28469256511. The reversal of 28469256479 is 97465296482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28469256479 - 2⁴ = 28469256463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28469256449) 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, 14234628239 + 14234628240.

It is an arithmetic number, because the mean of its divisors is an integer number (14234628240).

Almost surely, 2^28469256479 is an apocalyptic number.

28469256479 is a deficient number, since it is larger than the sum of its proper divisors (1).

28469256479 is an equidigital number, since it uses as much as digits as its factorization.

28469256479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 62.

The spelling of 28469256479 in words is "twenty-eight billion, four hundred sixty-nine million, two hundred fifty-six thousand, four hundred seventy-nine".