28027159 has 2 divisors, whose sum is σ = 28027160. Its totient is φ = 28027158.

The previous prime is 28027157. The next prime is 28027163. The reversal of 28027159 is 95172082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28027159 - 2¹ = 28027157 is a prime.

It is a super-2 number, since 2×28027159² = 1571043283222562, which contains 22 as substring.

Together with 28027157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28027157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013579 + 14013580.

It is an arithmetic number, because the mean of its divisors is an integer number (14013580).

Almost surely, 2^28027159 is an apocalyptic number.

28027159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28027159 is an equidigital number, since it uses as much as digits as its factorization.

28027159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28027159 is about 5294.0682844104. The cubic root of 28027159 is about 303.7570448896.

The spelling of 28027159 in words is "twenty-eight million, twenty-seven thousand, one hundred fifty-nine".