28171348204 has 12 divisors (see below), whose sum is σ = 49412162800. Its totient is φ = 14053587408.

The previous prime is 28171348187. The next prime is 28171348217. The reversal of 28171348204 is 40284317182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8019699 + ... + 8023210.

Almost surely, 2^28171348204 is an apocalyptic number.

It is an amenable number.

28171348204 is a deficient number, since it is larger than the sum of its proper divisors (21240814596).

28171348204 is a wasteful number, since it uses less digits than its factorization.

28171348204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043352 (or 16043350 counting only the distinct ones).

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

The spelling of 28171348204 in words is "twenty-eight billion, one hundred seventy-one million, three hundred forty-eight thousand, two hundred four".