28533367427 has 2 divisors, whose sum is σ = 28533367428. Its totient is φ = 28533367426.

The previous prime is 28533367397. The next prime is 28533367433. The reversal of 28533367427 is 72476333582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28533367427 - 2¹⁰ = 28533366403 is a prime.

It is not a weakly prime, because it can be changed into another prime (28533367327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266683713 + 14266683714.

It is an arithmetic number, because the mean of its divisors is an integer number (14266683714).

Almost surely, 2^28533367427 is an apocalyptic number.

28533367427 is a deficient number, since it is larger than the sum of its proper divisors (1).

28533367427 is an equidigital number, since it uses as much as digits as its factorization.

28533367427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 50.

The spelling of 28533367427 in words is "twenty-eight billion, five hundred thirty-three million, three hundred sixty-seven thousand, four hundred twenty-seven".