28318627 has 2 divisors, whose sum is σ = 28318628. Its totient is φ = 28318626.

The previous prime is 28318603. The next prime is 28318657. The reversal of 28318627 is 72681382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28318627 - 2¹⁹ = 27794339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28318657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14159313 + 14159314.

It is an arithmetic number, because the mean of its divisors is an integer number (14159314).

Almost surely, 2^28318627 is an apocalyptic number.

28318627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28318627 is an equidigital number, since it uses as much as digits as its factorization.

28318627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 28318627 is about 5321.5248754469. The cubic root of 28318627 is about 304.8063879169.

The spelling of 28318627 in words is "twenty-eight million, three hundred eighteen thousand, six hundred twenty-seven".