28895771 has 2 divisors, whose sum is σ = 28895772. Its totient is φ = 28895770.

The previous prime is 28895753. The next prime is 28895773. The reversal of 28895771 is 17759882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28895771 - 2⁶ = 28895707 is a prime.

Together with 28895773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28895773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14447885 + 14447886.

It is an arithmetic number, because the mean of its divisors is an integer number (14447886).

Almost surely, 2^28895771 is an apocalyptic number.

28895771 is a deficient number, since it is larger than the sum of its proper divisors (1).

28895771 is an equidigital number, since it uses as much as digits as its factorization.

28895771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 47.

The square root of 28895771 is about 5375.4786763599. The cubic root of 28895771 is about 306.8631665705.

The spelling of 28895771 in words is "twenty-eight million, eight hundred ninety-five thousand, seven hundred seventy-one".