28280266727 has 2 divisors, whose sum is σ = 28280266728. Its totient is φ = 28280266726.

The previous prime is 28280266673. The next prime is 28280266757. The reversal of 28280266727 is 72766208282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28280266727 - 2¹² = 28280262631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28280266757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14140133363 + 14140133364.

It is an arithmetic number, because the mean of its divisors is an integer number (14140133364).

Almost surely, 2^28280266727 is an apocalyptic number.

28280266727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28280266727 is an equidigital number, since it uses as much as digits as its factorization.

28280266727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 28280266727 in words is "twenty-eight billion, two hundred eighty million, two hundred sixty-six thousand, seven hundred twenty-seven".