28573406510736 has 80 divisors (see below), whose sum is σ = 75060231948800. Its totient is φ = 9363894312960.

The previous prime is 28573406510729. The next prime is 28573406510741. The reversal of 28573406510736 is 63701560437582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877665 + ... + 8496063.

It is an arithmetic number, because the mean of its divisors is an integer number (938252899360).

Almost surely, 2^{28573406510736} 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 28573406510736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37530115974400).

28573406510736 is an abundant number, since it is smaller than the sum of its proper divisors (46486825438064).

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

28573406510736 is a wasteful number, since it uses less digits than its factorization.

28573406510736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620584 (or 4620578 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 28573406510736 in words is "twenty-eight trillion, five hundred seventy-three billion, four hundred six million, five hundred ten thousand, seven hundred thirty-six".