28027803028 has 12 divisors (see below), whose sum is σ = 49091277312. Its totient is φ = 14001723800.

The previous prime is 28027802903. The next prime is 28027803061. The reversal of 28027803028 is 82030872082.

It is a happy number.

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, 3039250 + ... + 3048457.

It is an arithmetic number, because the mean of its divisors is an integer number (4090939776).

Almost surely, 2^28027803028 is an apocalyptic number.

It is an amenable number.

28027803028 is a deficient number, since it is larger than the sum of its proper divisors (21063474284).

28027803028 is a wasteful number, since it uses less digits than its factorization.

28027803028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088862 (or 6088860 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 28027803028 in words is "twenty-eight billion, twenty-seven million, eight hundred three thousand, twenty-eight".