28854479 has 2 divisors, whose sum is σ = 28854480. Its totient is φ = 28854478.

The previous prime is 28854473. The next prime is 28854499. The reversal of 28854479 is 97445882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28854479 - 2⁸ = 28854223 is a prime.

It is a super-2 number, since 2×28854479² = 1665161916722882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28854473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14427239 + 14427240.

It is an arithmetic number, because the mean of its divisors is an integer number (14427240).

Almost surely, 2^28854479 is an apocalyptic number.

28854479 is a deficient number, since it is larger than the sum of its proper divisors (1).

28854479 is an equidigital number, since it uses as much as digits as its factorization.

28854479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 28854479 is about 5371.6365290291. The cubic root of 28854479 is about 306.7169279361.

The spelling of 28854479 in words is "twenty-eight million, eight hundred fifty-four thousand, four hundred seventy-nine".