28260127 has 12 divisors (see below), whose sum is σ = 33380688. Its totient is φ = 23436000.

The previous prime is 28260109. The next prime is 28260161. The reversal of 28260127 is 72106282.

It is not a de Polignac number, because 28260127 - 2¹⁵ = 28227359 is a prime.

It is a super-2 number, since 2×28260127² = 1597269556112258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28260095 and 28260104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28260527) 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 11 ways as a sum of consecutive naturals, for example, 4627 + ... + 8827.

It is an arithmetic number, because the mean of its divisors is an integer number (2781724).

Almost surely, 2^28260127 is an apocalyptic number.

28260127 is a deficient number, since it is larger than the sum of its proper divisors (5120561).

28260127 is an equidigital number, since it uses as much as digits as its factorization.

28260127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 28260127 is about 5316.0254890284. The cubic root of 28260127 is about 304.5963557683.

The spelling of 28260127 in words is "twenty-eight million, two hundred sixty thousand, one hundred twenty-seven".