28288871584 has 24 divisors (see below), whose sum is σ = 55808107488. Its totient is φ = 14115384000.

The previous prime is 28288871579. The next prime is 28288871587. The reversal of 28288871584 is 48517888282.

It is not an unprimeable number, because it can be changed into a prime (28288871587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892042 + ... + 923209.

It is an arithmetic number, because the mean of its divisors is an integer number (2325337812).

Almost surely, 2^28288871584 is an apocalyptic number.

It is an amenable number.

28288871584 is a deficient number, since it is larger than the sum of its proper divisors (27519235904).

28288871584 is a wasteful number, since it uses less digits than its factorization.

28288871584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815748 (or 1815740 counting only the distinct ones).

The product of its digits is 18350080, while the sum is 61.

The spelling of 28288871584 in words is "twenty-eight billion, two hundred eighty-eight million, eight hundred seventy-one thousand, five hundred eighty-four".