28768303 has 2 divisors, whose sum is σ = 28768304. Its totient is φ = 28768302.

The previous prime is 28768297. The next prime is 28768307. The reversal of 28768303 is 30386782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28768303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28768307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14384151 + 14384152.

It is an arithmetic number, because the mean of its divisors is an integer number (14384152).

Almost surely, 2^28768303 is an apocalyptic number.

28768303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28768303 is an equidigital number, since it uses as much as digits as its factorization.

28768303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 28768303 is about 5363.6091393762. The cubic root of 28768303 is about 306.4112793160.

The spelling of 28768303 in words is "twenty-eight million, seven hundred sixty-eight thousand, three hundred three".