28589283829064 has 128 divisors (see below), whose sum is σ = 65411362944000. Its totient is φ = 11455961400576.

The previous prime is 28589283829031. The next prime is 28589283829087. The reversal of 28589283829064 is 46092838298582.

It is a super-2 number, since 2×28589283829064² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28589283828982 and 28589283829000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4192979 + ... + 8646365.

It is an arithmetic number, because the mean of its divisors is an integer number (511026273000).

Almost surely, 2^{28589283829064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28589283829064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32705681472000).

28589283829064 is an abundant number, since it is smaller than the sum of its proper divisors (36822079114936).

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

28589283829064 is a wasteful number, since it uses less digits than its factorization.

28589283829064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453555 (or 4453551 counting only the distinct ones).

The product of its (nonzero) digits is 955514880, while the sum is 74.

The spelling of 28589283829064 in words is "twenty-eight trillion, five hundred eighty-nine billion, two hundred eighty-three million, eight hundred twenty-nine thousand, sixty-four".