28834006856 has 16 divisors (see below), whose sum is σ = 56414361600. Its totient is φ = 13790177104.

The previous prime is 28834006801. The next prime is 28834006889. The reversal of 28834006856 is 65860043882.

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, 78353096 + ... + 78353463.

It is an arithmetic number, because the mean of its divisors is an integer number (3525897600).

Almost surely, 2^28834006856 is an apocalyptic number.

It is an amenable number.

28834006856 is a deficient number, since it is larger than the sum of its proper divisors (27580354744).

28834006856 is a wasteful number, since it uses less digits than its factorization.

28834006856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156706588 (or 156706584 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 28834006856 in words is "twenty-eight billion, eight hundred thirty-four million, six thousand, eight hundred fifty-six".