28427395267 has 2 divisors, whose sum is σ = 28427395268. Its totient is φ = 28427395266.

The previous prime is 28427395247. The next prime is 28427395289. The reversal of 28427395267 is 76259372482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28427395267 - 2¹¹ = 28427393219 is a prime.

It is not a weakly prime, because it can be changed into another prime (28427395207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14213697633 + 14213697634.

It is an arithmetic number, because the mean of its divisors is an integer number (14213697634).

Almost surely, 2^28427395267 is an apocalyptic number.

28427395267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28427395267 is an equidigital number, since it uses as much as digits as its factorization.

28427395267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The spelling of 28427395267 in words is "twenty-eight billion, four hundred twenty-seven million, three hundred ninety-five thousand, two hundred sixty-seven".