28085127 has 16 divisors (see below), whose sum is σ = 43437312. Its totient is φ = 15808320.

The previous prime is 28085119. The next prime is 28085153. The reversal of 28085127 is 72158082.

It is not a de Polignac number, because 28085127 - 2³ = 28085119 is a prime.

It is a super-2 number, since 2×28085127² = 1577548717212258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085027) 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 in 15 ways as a sum of consecutive naturals, for example, 8574 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (2714832).

Almost surely, 2^28085127 is an apocalyptic number.

28085127 is a deficient number, since it is larger than the sum of its proper divisors (15352185).

28085127 is a wasteful number, since it uses less digits than its factorization.

28085127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 28085127 is about 5299.5402630794. The cubic root of 28085127 is about 303.9663188389.

The spelling of 28085127 in words is "twenty-eight million, eighty-five thousand, one hundred twenty-seven".