26828984853564 has 48 divisors (see below), whose sum is σ = 64046771379360. Its totient is φ = 8737851432960.

The previous prime is 26828984853551. The next prime is 26828984853571. The reversal of 26828984853564 is 46535848982862.

It is a self number, because there is not a number n which added to its sum of digits gives 26828984853564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87365269 + ... + 87671820.

It is an arithmetic number, because the mean of its divisors is an integer number (1334307737070).

Almost surely, 2^{26828984853564} is an apocalyptic number.

It is an amenable number.

26828984853564 is an abundant number, since it is smaller than the sum of its proper divisors (37217786525796).

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

26828984853564 is a wasteful number, since it uses less digits than its factorization.

26828984853564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175037390 (or 175037388 counting only the distinct ones).

The product of its digits is 6370099200, while the sum is 78.

The spelling of 26828984853564 in words is "twenty-six trillion, eight hundred twenty-eight billion, nine hundred eighty-four million, eight hundred fifty-three thousand, five hundred sixty-four".