812728303 has 2 divisors, whose sum is σ = 812728304. Its totient is φ = 812728302.

The previous prime is 812728297. The next prime is 812728313. The reversal of 812728303 is 303827218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812728303 - 2⁹ = 812727791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812728313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406364151 + 406364152.

It is an arithmetic number, because the mean of its divisors is an integer number (406364152).

Almost surely, 2^812728303 is an apocalyptic number.

812728303 is a deficient number, since it is larger than the sum of its proper divisors (1).

812728303 is an equidigital number, since it uses as much as digits as its factorization.

812728303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 812728303 is about 28508.3900457392. The cubic root of 812728303 is about 933.2151803523.

The spelling of 812728303 in words is "eight hundred twelve million, seven hundred twenty-eight thousand, three hundred three".