28318327348 has 12 divisors (see below), whose sum is σ = 49578114852. Its totient is φ = 14153151680.

The previous prime is 28318327327. The next prime is 28318327391. The reversal of 28318327348 is 84372381382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5955517584 + 22362809764 = 77172^2 + 149542^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492393 + ... + 1511248.

It is an arithmetic number, because the mean of its divisors is an integer number (4131509571).

Almost surely, 2^28318327348 is an apocalyptic number.

It is an amenable number.

28318327348 is a deficient number, since it is larger than the sum of its proper divisors (21259787504).

28318327348 is a wasteful number, since it uses less digits than its factorization.

28318327348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006002 (or 3006000 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The spelling of 28318327348 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-seven thousand, three hundred forty-eight".