28078575184 has 20 divisors (see below), whose sum is σ = 59347897920. Its totient is φ = 12762988640.

The previous prime is 28078575167. The next prime is 28078575233. The reversal of 28078575184 is 48157587082.

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, 79768504 + ... + 79768855.

It is an arithmetic number, because the mean of its divisors is an integer number (2967394896).

Almost surely, 2^28078575184 is an apocalyptic number.

It is an amenable number.

28078575184 is an abundant number, since it is smaller than the sum of its proper divisors (31269322736).

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

28078575184 is a wasteful number, since it uses less digits than its factorization.

28078575184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159537378 (or 159537372 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 55.

The spelling of 28078575184 in words is "twenty-eight billion, seventy-eight million, five hundred seventy-five thousand, one hundred eighty-four".