28304774803 has 2 divisors, whose sum is σ = 28304774804. Its totient is φ = 28304774802.

The previous prime is 28304774783. The next prime is 28304774821. The reversal of 28304774803 is 30847740382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28304774803 is a prime.

It is not a weakly prime, because it can be changed into another prime (28304774833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14152387401 + 14152387402.

It is an arithmetic number, because the mean of its divisors is an integer number (14152387402).

Almost surely, 2^28304774803 is an apocalyptic number.

28304774803 is a deficient number, since it is larger than the sum of its proper divisors (1).

28304774803 is an equidigital number, since it uses as much as digits as its factorization.

28304774803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 28304774803 in words is "twenty-eight billion, three hundred four million, seven hundred seventy-four thousand, eight hundred three".