28801163 has 2 divisors, whose sum is σ = 28801164. Its totient is φ = 28801162.

The previous prime is 28801153. The next prime is 28801231. The reversal of 28801163 is 36110882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28801163 - 2¹⁸ = 28539019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28801153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400581 + 14400582.

It is an arithmetic number, because the mean of its divisors is an integer number (14400582).

Almost surely, 2^28801163 is an apocalyptic number.

28801163 is a deficient number, since it is larger than the sum of its proper divisors (1).

28801163 is an equidigital number, since it uses as much as digits as its factorization.

28801163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 28801163 is about 5366.6715010330. The cubic root of 28801163 is about 306.5278989105.

The spelling of 28801163 in words is "twenty-eight million, eight hundred one thousand, one hundred sixty-three".