28227823504 has 20 divisors (see below), whose sum is σ = 54697570560. Its totient is φ = 14112321440.

The previous prime is 28227823493. The next prime is 28227823549. The reversal of 28227823504 is 40532872282.

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, 54237 + ... + 243715.

It is an arithmetic number, because the mean of its divisors is an integer number (2734878528).

Almost surely, 2^28227823504 is an apocalyptic number.

It is an amenable number.

28227823504 is a deficient number, since it is larger than the sum of its proper divisors (26469747056).

28227823504 is a wasteful number, since it uses less digits than its factorization.

28227823504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198798 (or 198792 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 28227823504 in words is "twenty-eight billion, two hundred twenty-seven million, eight hundred twenty-three thousand, five hundred four".