28588787000 has 64 divisors (see below), whose sum is σ = 70418743200. Its totient is φ = 10833638400.

The previous prime is 28588786991. The next prime is 28588787023. The reversal of 28588787000 is 78788582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733337 + ... + 771336.

Almost surely, 2^28588787000 is an apocalyptic number.

28588787000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28588787000 is an abundant number, since it is smaller than the sum of its proper divisors (41829956200).

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

28588787000 is a wasteful number, since it uses less digits than its factorization.

28588787000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504713 (or 1504699 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 53.

The spelling of 28588787000 in words is "twenty-eight billion, five hundred eighty-eight million, seven hundred eighty-seven thousand".