28766327 has 2 divisors, whose sum is σ = 28766328. Its totient is φ = 28766326.

The previous prime is 28766321. The next prime is 28766341. The reversal of 28766327 is 72366782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28766327 - 2¹² = 28762231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28766321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14383163 + 14383164.

It is an arithmetic number, because the mean of its divisors is an integer number (14383164).

Almost surely, 2^28766327 is an apocalyptic number.

28766327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28766327 is an equidigital number, since it uses as much as digits as its factorization.

28766327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 28766327 is about 5363.4249318882. The cubic root of 28766327 is about 306.4042636948.

The spelling of 28766327 in words is "twenty-eight million, seven hundred sixty-six thousand, three hundred twenty-seven".