28675771 has 2 divisors, whose sum is σ = 28675772. Its totient is φ = 28675770.

The previous prime is 28675741. The next prime is 28675811. The reversal of 28675771 is 17757682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28675771 - 2⁵ = 28675739 is a prime.

It is not a weakly prime, because it can be changed into another prime (28675721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337885 + 14337886.

It is an arithmetic number, because the mean of its divisors is an integer number (14337886).

Almost surely, 2^28675771 is an apocalyptic number.

28675771 is a deficient number, since it is larger than the sum of its proper divisors (1).

28675771 is an equidigital number, since it uses as much as digits as its factorization.

28675771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 43.

The square root of 28675771 is about 5354.9762837944. The cubic root of 28675771 is about 306.0824069282.

The spelling of 28675771 in words is "twenty-eight million, six hundred seventy-five thousand, seven hundred seventy-one".