28675859 has 2 divisors, whose sum is σ = 28675860. Its totient is φ = 28675858.

The previous prime is 28675853. The next prime is 28675879. The reversal of 28675859 is 95857682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28675859 is a prime.

It is a super-4 number, since 4×28675859⁴ (a number of 31 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28675853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337929 + 14337930.

It is an arithmetic number, because the mean of its divisors is an integer number (14337930).

Almost surely, 2^28675859 is an apocalyptic number.

28675859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28675859 is an equidigital number, since it uses as much as digits as its factorization.

28675859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 28675859 is about 5354.9845004444. The cubic root of 28675859 is about 306.0827200291.

The spelling of 28675859 in words is "twenty-eight million, six hundred seventy-five thousand, eight hundred fifty-nine".