248728811 has 2 divisors, whose sum is σ = 248728812. Its totient is φ = 248728810.

The previous prime is 248728801. The next prime is 248728849. The reversal of 248728811 is 118827842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248728811 - 2¹⁴ = 248712427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248728801) 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, 124364405 + 124364406.

It is an arithmetic number, because the mean of its divisors is an integer number (124364406).

Almost surely, 2^248728811 is an apocalyptic number.

248728811 is a deficient number, since it is larger than the sum of its proper divisors (1).

248728811 is an equidigital number, since it uses as much as digits as its factorization.

248728811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 41.

The square root of 248728811 is about 15771.1385448229. The cubic root of 248728811 is about 628.8909782462.

The spelling of 248728811 in words is "two hundred forty-eight million, seven hundred twenty-eight thousand, eight hundred eleven".