27804351728 has 20 divisors (see below), whose sum is σ = 53905757400. Its totient is φ = 13893188544.

The previous prime is 27804351719. The next prime is 27804351749. The reversal of 27804351728 is 82715340872.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 536150 + ... + 585717.

It is an arithmetic number, because the mean of its divisors is an integer number (2695287870).

Almost surely, 2^27804351728 is an apocalyptic number.

It is an amenable number.

27804351728 is a deficient number, since it is larger than the sum of its proper divisors (26101405672).

27804351728 is a wasteful number, since it uses less digits than its factorization.

27804351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123424 (or 1123418 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 27804351728 in words is "twenty-seven billion, eight hundred four million, three hundred fifty-one thousand, seven hundred twenty-eight".