28675223 has 2 divisors, whose sum is σ = 28675224. Its totient is φ = 28675222.

The previous prime is 28675211. The next prime is 28675261. The reversal of 28675223 is 32257682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28675223 - 2⁶ = 28675159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28672223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337611 + 14337612.

It is an arithmetic number, because the mean of its divisors is an integer number (14337612).

Almost surely, 2^28675223 is an apocalyptic number.

28675223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28675223 is an equidigital number, since it uses as much as digits as its factorization.

28675223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 28675223 is about 5354.9251161898. The cubic root of 28675223 is about 306.0804571495.

The spelling of 28675223 in words is "twenty-eight million, six hundred seventy-five thousand, two hundred twenty-three".