28583805500580 has 384 divisors, whose sum is σ = 93245967360000. Its totient is φ = 6469134336000.

The previous prime is 28583805500567. The next prime is 28583805500597. The reversal of 28583805500580 is 8500550838582.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 28583805500580.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1099406421 + ... + 1099432419.

It is an arithmetic number, because the mean of its divisors is an integer number (242828040000).

Almost surely, 2^{28583805500580} is an apocalyptic number.

28583805500580 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 28583805500580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46622983680000).

28583805500580 is an abundant number, since it is smaller than the sum of its proper divisors (64662161859420).

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

28583805500580 is a wasteful number, since it uses less digits than its factorization.

28583805500580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315 (or 27313 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 57.

The spelling of 28583805500580 in words is "twenty-eight trillion, five hundred eighty-three billion, eight hundred five million, five hundred thousand, five hundred eighty".