28845007 has 2 divisors, whose sum is σ = 28845008. Its totient is φ = 28845006.

The previous prime is 28844929. The next prime is 28845023. The reversal of 28845007 is 70054882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28845007 - 2¹¹ = 28842959 is a prime.

It is equal to p_1790647 and since 28845007 and 1790647 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28845307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14422503 + 14422504.

It is an arithmetic number, because the mean of its divisors is an integer number (14422504).

Almost surely, 2^28845007 is an apocalyptic number.

28845007 is a deficient number, since it is larger than the sum of its proper divisors (1).

28845007 is an equidigital number, since it uses as much as digits as its factorization.

28845007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28845007 is about 5370.7547886680. The cubic root of 28845007 is about 306.6833624863.

Adding to 28845007 its reverse (70054882), we get a palindrome (98899889).

The spelling of 28845007 in words is "twenty-eight million, eight hundred forty-five thousand, seven".