28229051608 has 32 divisors (see below), whose sum is σ = 55120440960. Its totient is φ = 13538327040.

The previous prime is 28229051567. The next prime is 28229051623. The reversal of 28229051608 is 80615092282.

It is a congruent number.

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, 475635 + ... + 531682.

It is an arithmetic number, because the mean of its divisors is an integer number (1722513780).

Almost surely, 2^28229051608 is an apocalyptic number.

It is an amenable number.

28229051608 is a deficient number, since it is larger than the sum of its proper divisors (26891389352).

28229051608 is a wasteful number, since it uses less digits than its factorization.

28229051608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007467 (or 1007463 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 28229051608 in words is "twenty-eight billion, two hundred twenty-nine million, fifty-one thousand, six hundred eight".