28567189008 has 60 divisors (see below), whose sum is σ = 83424481920. Its totient is φ = 9108378048.

The previous prime is 28567188989. The next prime is 28567189033. The reversal of 28567189008 is 80098176582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4309368 + ... + 4315991.

It is an arithmetic number, because the mean of its divisors is an integer number (1390408032).

Almost surely, 2^28567189008 is an apocalyptic number.

It is an amenable number.

28567189008 is an abundant number, since it is smaller than the sum of its proper divisors (54857292912).

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

28567189008 is a wasteful number, since it uses less digits than its factorization.

28567189008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625396 (or 8625387 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 28567189008 in words is "twenty-eight billion, five hundred sixty-seven million, one hundred eighty-nine thousand, eight".