28127263 has 2 divisors, whose sum is σ = 28127264. Its totient is φ = 28127262.

The previous prime is 28127251. The next prime is 28127273. The reversal of 28127263 is 36272182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28127263 - 2¹⁷ = 27996191 is a prime.

It is a super-2 number, since 2×28127263² = 1582285847742338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28127273) 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, 14063631 + 14063632.

It is an arithmetic number, because the mean of its divisors is an integer number (14063632).

Almost surely, 2^28127263 is an apocalyptic number.

28127263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28127263 is an equidigital number, since it uses as much as digits as its factorization.

28127263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 28127263 is about 5303.5142122936. The cubic root of 28127263 is about 304.1182560181.

The spelling of 28127263 in words is "twenty-eight million, one hundred twenty-seven thousand, two hundred sixty-three".