28543579016818 has 16 divisors (see below), whose sum is σ = 43208451000000. Its totient is φ = 14140763719632.

The previous prime is 28543579016791. The next prime is 28543579016839. The reversal of 28543579016818 is 81861097534582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43601883 + ... + 44251681.

It is an arithmetic number, because the mean of its divisors is an integer number (2700528187500).

It is a 1-persistent number, because it is pandigital, but 2⋅28543579016818 = 57087158033636 is not.

Almost surely, 2^{28543579016818} is an apocalyptic number.

28543579016818 is a deficient number, since it is larger than the sum of its proper divisors (14664871983182).

28543579016818 is a wasteful number, since it uses less digits than its factorization.

28543579016818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851409.

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 28543579016818 in words is "twenty-eight trillion, five hundred forty-three billion, five hundred seventy-nine million, sixteen thousand, eight hundred eighteen".