28573281848 has 16 divisors (see below), whose sum is σ = 54253068000. Its totient is φ = 14105797056.

The previous prime is 28573281713. The next prime is 28573281859. The reversal of 28573281848 is 84818237582.

It is a junction number, because it is equal to n+sod(n) for n = 28573281793 and 28573281802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22604813 + ... + 22606076.

It is an arithmetic number, because the mean of its divisors is an integer number (3390816750).

Almost surely, 2^28573281848 is an apocalyptic number.

It is an amenable number.

28573281848 is a deficient number, since it is larger than the sum of its proper divisors (25679786152).

28573281848 is a wasteful number, since it uses less digits than its factorization.

28573281848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45210974 (or 45210970 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 56.

The spelling of 28573281848 in words is "twenty-eight billion, five hundred seventy-three million, two hundred eighty-one thousand, eight hundred forty-eight".