28087159 has 2 divisors, whose sum is σ = 28087160. Its totient is φ = 28087158.

The previous prime is 28087141. The next prime is 28087177. The reversal of 28087159 is 95178082.

It is a balanced prime because it is at equal distance from previous prime (28087141) and next prime (28087177).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28087159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28087139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14043579 + 14043580.

It is an arithmetic number, because the mean of its divisors is an integer number (14043580).

Almost surely, 2^28087159 is an apocalyptic number.

28087159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28087159 is an equidigital number, since it uses as much as digits as its factorization.

28087159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 28087159 is about 5299.7319743549. The cubic root of 28087159 is about 303.9736494646.

The spelling of 28087159 in words is "twenty-eight million, eighty-seven thousand, one hundred fifty-nine".