28884263 has 2 divisors, whose sum is σ = 28884264. Its totient is φ = 28884262.

The previous prime is 28884259. The next prime is 28884277. The reversal of 28884263 is 36248882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28884263 - 2² = 28884259 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_1792949 and since 28884263 and 1792949 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28884263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28884763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442131 + 14442132.

It is an arithmetic number, because the mean of its divisors is an integer number (14442132).

Almost surely, 2^28884263 is an apocalyptic number.

28884263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28884263 is an equidigital number, since it uses as much as digits as its factorization.

28884263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 41.

The square root of 28884263 is about 5374.4081534621. The cubic root of 28884263 is about 306.8224241585.

The spelling of 28884263 in words is "twenty-eight million, eight hundred eighty-four thousand, two hundred sixty-three".