28708594044 has 24 divisors (see below), whose sum is σ = 72139544400. Its totient is φ = 8833413504.

The previous prime is 28708594037. The next prime is 28708594069. The reversal of 28708594044 is 44049580782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92014569 + ... + 92014880.

It is an arithmetic number, because the mean of its divisors is an integer number (3005814350).

Almost surely, 2^28708594044 is an apocalyptic number.

It is an amenable number.

28708594044 is an abundant number, since it is smaller than the sum of its proper divisors (43430950356).

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

28708594044 is a wasteful number, since it uses less digits than its factorization.

28708594044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184029469 (or 184029467 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 28708594044 in words is "twenty-eight billion, seven hundred eight million, five hundred ninety-four thousand, forty-four".