28827455473 has 2 divisors, whose sum is σ = 28827455474. Its totient is φ = 28827455472.

The previous prime is 28827455411. The next prime is 28827455477. The reversal of 28827455473 is 37455472882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23041114849 + 5786340624 = 151793^2 + 76068^2 .

It is a cyclic number.

It is not a de Polignac number, because 28827455473 - 2²⁵ = 28793901041 is a prime.

It is not a weakly prime, because it can be changed into another prime (28827455477) 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, 14413727736 + 14413727737.

It is an arithmetic number, because the mean of its divisors is an integer number (14413727737).

Almost surely, 2^28827455473 is an apocalyptic number.

It is an amenable number.

28827455473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28827455473 is an equidigital number, since it uses as much as digits as its factorization.

28827455473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15052800, while the sum is 55.

The spelling of 28827455473 in words is "twenty-eight billion, eight hundred twenty-seven million, four hundred fifty-five thousand, four hundred seventy-three".