7728228503 has 2 divisors, whose sum is σ = 7728228504. Its totient is φ = 7728228502.

The previous prime is 7728228479. The next prime is 7728228527. The reversal of 7728228503 is 3058228277.

7728228503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (7728228479) and next prime (7728228527).

It is a cyclic number.

It is not a de Polignac number, because 7728228503 - 2⁸ = 7728228247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7728228553) 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, 3864114251 + 3864114252.

It is an arithmetic number, because the mean of its divisors is an integer number (3864114252).

Almost surely, 2^7728228503 is an apocalyptic number.

7728228503 is a deficient number, since it is larger than the sum of its proper divisors (1).

7728228503 is an equidigital number, since it uses as much as digits as its factorization.

7728228503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 7728228503 is about 87910.3435495505. The cubic root of 7728228503 is about 1977.0909652474.

The spelling of 7728228503 in words is "seven billion, seven hundred twenty-eight million, two hundred twenty-eight thousand, five hundred three".