28086803 has 2 divisors, whose sum is σ = 28086804. Its totient is φ = 28086802.

The previous prime is 28086743. The next prime is 28086833. The reversal of 28086803 is 30868082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28086803 - 2⁸ = 28086547 is a prime.

It is not a weakly prime, because it can be changed into another prime (28086833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14043401 + 14043402.

It is an arithmetic number, because the mean of its divisors is an integer number (14043402).

Almost surely, 2^28086803 is an apocalyptic number.

28086803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28086803 is an equidigital number, since it uses as much as digits as its factorization.

28086803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 28086803 is about 5299.6983876443. The cubic root of 28086803 is about 303.9723651876.

The spelling of 28086803 in words is "twenty-eight million, eighty-six thousand, eight hundred three".