28080970811 has 2 divisors, whose sum is σ = 28080970812. Its totient is φ = 28080970810.

The previous prime is 28080970783. The next prime is 28080970817. The reversal of 28080970811 is 11807908082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28080970811 - 2¹⁴ = 28080954427 is a prime.

It is not a weakly prime, because it can be changed into another prime (28080970817) 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, 14040485405 + 14040485406.

It is an arithmetic number, because the mean of its divisors is an integer number (14040485406).

Almost surely, 2^28080970811 is an apocalyptic number.

28080970811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080970811 is an equidigital number, since it uses as much as digits as its factorization.

28080970811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 28080970811 in words is "twenty-eight billion, eighty million, nine hundred seventy thousand, eight hundred eleven".