28318327327 has 2 divisors, whose sum is σ = 28318327328. Its totient is φ = 28318327326.

The previous prime is 28318327319. The next prime is 28318327391. The reversal of 28318327327 is 72372381382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28318327327 - 2³ = 28318327319 is a prime.

It is a super-2 number, since 2×28318327327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28318327397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14159163663 + 14159163664.

It is an arithmetic number, because the mean of its divisors is an integer number (14159163664).

Almost surely, 2^28318327327 is an apocalyptic number.

28318327327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28318327327 is an equidigital number, since it uses as much as digits as its factorization.

28318327327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The spelling of 28318327327 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-seven thousand, three hundred twenty-seven".