28328682888 has 48 divisors (see below), whose sum is σ = 83698383600. Its totient is φ = 8584449120.

The previous prime is 28328682841. The next prime is 28328682901. The reversal of 28328682888 is 88828682382.

28328682888 is a `hidden beast` number, since 28 + 328 + 6 + 8 + 288 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17883478 + ... + 17885061.

It is an arithmetic number, because the mean of its divisors is an integer number (1743716325).

Almost surely, 2^28328682888 is an apocalyptic number.

It is an amenable number.

28328682888 is an abundant number, since it is smaller than the sum of its proper divisors (55369700712).

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

28328682888 is a wasteful number, since it uses less digits than its factorization.

28328682888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35768562 (or 35768555 counting only the distinct ones).

The product of its digits is 37748736, while the sum is 63.

The spelling of 28328682888 in words is "twenty-eight billion, three hundred twenty-eight million, six hundred eighty-two thousand, eight hundred eighty-eight".