28055827 has 2 divisors, whose sum is σ = 28055828. Its totient is φ = 28055826.

The previous prime is 28055813. The next prime is 28055843. The reversal of 28055827 is 72855082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28055827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28055887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027913 + 14027914.

It is an arithmetic number, because the mean of its divisors is an integer number (14027914).

Almost surely, 2^28055827 is an apocalyptic number.

28055827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055827 is an equidigital number, since it uses as much as digits as its factorization.

28055827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 28055827 is about 5296.7751509763. The cubic root of 28055827 is about 303.8605770811.

It can be divided in two parts, 28055 and 827, that added together give a palindrome (28882).

The spelling of 28055827 in words is "twenty-eight million, fifty-five thousand, eight hundred twenty-seven".