28545443084 has 12 divisors (see below), whose sum is σ = 49956321408. Its totient is φ = 14272208400.

The previous prime is 28545443077. The next prime is 28545443093. The reversal of 28545443084 is 48034454582.

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, 14549 + ... + 239379.

It is an arithmetic number, because the mean of its divisors is an integer number (4163026784).

Almost surely, 2^28545443084 is an apocalyptic number.

It is an amenable number.

28545443084 is a deficient number, since it is larger than the sum of its proper divisors (21410878324).

28545443084 is a wasteful number, since it uses less digits than its factorization.

28545443084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256576 (or 256574 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 47.

The spelling of 28545443084 in words is "twenty-eight billion, five hundred forty-five million, four hundred forty-three thousand, eighty-four".