28568127 has 16 divisors (see below), whose sum is σ = 44422400. Its totient is φ = 16324056.

The previous prime is 28568123. The next prime is 28568129. The reversal of 28568127 is 72186582.

It is not a de Polignac number, because 28568127 - 2² = 28568123 is a prime.

It is a super-2 number, since 2×28568127² = 1632275760576258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568123) 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 in 15 ways as a sum of consecutive naturals, for example, 12853 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (2776400).

Almost surely, 2^28568127 is an apocalyptic number.

28568127 is a deficient number, since it is larger than the sum of its proper divisors (15854273).

28568127 is an equidigital number, since it uses as much as digits as its factorization.

28568127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787 (or 27773 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 28568127 is about 5344.9159955981. The cubic root of 28568127 is about 305.6989328123.

The spelling of 28568127 in words is "twenty-eight million, five hundred sixty-eight thousand, one hundred twenty-seven".