28883055880 has 256 divisors, whose sum is σ = 79626240000. Its totient is φ = 9412704000.

The previous prime is 28883055869. The next prime is 28883055893. The reversal of 28883055880 is 8855038882.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25093305 + ... + 25094455.

It is an arithmetic number, because the mean of its divisors is an integer number (311040000).

Almost surely, 2^28883055880 is an apocalyptic number.

28883055880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28883055880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39813120000).

28883055880 is an abundant number, since it is smaller than the sum of its proper divisors (50743184120).

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

28883055880 is a wasteful number, since it uses less digits than its factorization.

28883055880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 55.

The spelling of 28883055880 in words is "twenty-eight billion, eight hundred eighty-three million, fifty-five thousand, eight hundred eighty".