28526353228 has 12 divisors (see below), whose sum is σ = 52548545560. Its totient is φ = 13512483072.

The previous prime is 28526353217. The next prime is 28526353253. The reversal of 28526353228 is 82235362582.

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, 187673301 + ... + 187673452.

Almost surely, 2^28526353228 is an apocalyptic number.

It is an amenable number.

28526353228 is a deficient number, since it is larger than the sum of its proper divisors (24022192332).

28526353228 is a wasteful number, since it uses less digits than its factorization.

28526353228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375346776 (or 375346774 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 28526353228 in words is "twenty-eight billion, five hundred twenty-six million, three hundred fifty-three thousand, two hundred twenty-eight".