28318018279 has 2 divisors, whose sum is σ = 28318018280. Its totient is φ = 28318018278.

The previous prime is 28318018273. The next prime is 28318018303. The reversal of 28318018279 is 97281081382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28318018279 - 2⁷ = 28318018151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28318018273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14159009139 + 14159009140.

It is an arithmetic number, because the mean of its divisors is an integer number (14159009140).

Almost surely, 2^28318018279 is an apocalyptic number.

28318018279 is a deficient number, since it is larger than the sum of its proper divisors (1).

28318018279 is an equidigital number, since it uses as much as digits as its factorization.

28318018279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 28318018279 in words is "twenty-eight billion, three hundred eighteen million, eighteen thousand, two hundred seventy-nine".