28057067 has 2 divisors, whose sum is σ = 28057068. Its totient is φ = 28057066.

The previous prime is 28057049. The next prime is 28057151. The reversal of 28057067 is 76075082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28057067 - 2²² = 23862763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28057867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028533 + 14028534.

It is an arithmetic number, because the mean of its divisors is an integer number (14028534).

Almost surely, 2^28057067 is an apocalyptic number.

28057067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057067 is an equidigital number, since it uses as much as digits as its factorization.

28057067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 28057067 is about 5296.8922020370. The cubic root of 28057067 is about 303.8650536504.

The spelling of 28057067 in words is "twenty-eight million, fifty-seven thousand, sixty-seven".