28220850848 has 48 divisors (see below), whose sum is σ = 56064605184. Its totient is φ = 13982492160.

The previous prime is 28220850817. The next prime is 28220850857. The reversal of 28220850848 is 84805802282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3804263 + ... + 3811673.

It is an arithmetic number, because the mean of its divisors is an integer number (1168012608).

Almost surely, 2^28220850848 is an apocalyptic number.

It is an amenable number.

28220850848 is a deficient number, since it is larger than the sum of its proper divisors (27843754336).

28220850848 is a wasteful number, since it uses less digits than its factorization.

28220850848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 47.

The spelling of 28220850848 in words is "twenty-eight billion, two hundred twenty million, eight hundred fifty thousand, eight hundred forty-eight".