28008027533 has 2 divisors, whose sum is σ = 28008027534. Its totient is φ = 28008027532.

The previous prime is 28008027469. The next prime is 28008027577. The reversal of 28008027533 is 33572080082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22626778084 + 5381249449 = 150422^2 + 73357^2 .

It is a cyclic number.

It is not a de Polignac number, because 28008027533 - 2⁶ = 28008027469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28008027583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14004013766 + 14004013767.

It is an arithmetic number, because the mean of its divisors is an integer number (14004013767).

Almost surely, 2^28008027533 is an apocalyptic number.

It is an amenable number.

28008027533 is a deficient number, since it is larger than the sum of its proper divisors (1).

28008027533 is an equidigital number, since it uses as much as digits as its factorization.

28008027533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 28008027533 in words is "twenty-eight billion, eight million, twenty-seven thousand, five hundred thirty-three".