28583676672580 has 24 divisors (see below), whose sum is σ = 60027372097560. Its totient is φ = 11433156176640.

The previous prime is 28583676672569. The next prime is 28583676672583. The reversal of 28583676672580 is 8527667638582.

It can be written as a sum of positive squares in 4 ways, for example, as 18232490082304 + 10351186590276 = 4269952^2 + 3217326^2 .

It is not an unprimeable number, because it can be changed into a prime (28583676672583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18909801 + ... + 20365360.

It is an arithmetic number, because the mean of its divisors is an integer number (2501140504065).

Almost surely, 2^{28583676672580} is an apocalyptic number.

28583676672580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28583676672580 is an abundant number, since it is smaller than the sum of its proper divisors (31443695424980).

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

28583676672580 is a wasteful number, since it uses less digits than its factorization.

28583676672580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39311559 (or 39311557 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 73.

The spelling of 28583676672580 in words is "twenty-eight trillion, five hundred eighty-three billion, six hundred seventy-six million, six hundred seventy-two thousand, five hundred eighty".