28318327368 has 16 divisors (see below), whose sum is σ = 70795818480. Its totient is φ = 9439442448.

The previous prime is 28318327327. The next prime is 28318327391. The reversal of 28318327368 is 86372381382.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28318327368.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589965130 + ... + 589965177.

It is an arithmetic number, because the mean of its divisors is an integer number (4424738655).

Almost surely, 2^28318327368 is an apocalyptic number.

It is an amenable number.

28318327368 is an abundant number, since it is smaller than the sum of its proper divisors (42477491112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28318327368 is a wasteful number, since it uses less digits than its factorization.

28318327368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179930316 (or 1179930312 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 28318327368 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-seven thousand, three hundred sixty-eight".