28684846806 has 32 divisors (see below), whose sum is σ = 71525852928. Its totient is φ = 7450609440.

The previous prime is 28684846741. The next prime is 28684846829. The reversal of 28684846806 is 60864848682.

It is a self number, because there is not a number n which added to its sum of digits gives 28684846806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31043745 + ... + 31044668.

It is an arithmetic number, because the mean of its divisors is an integer number (2235182904).

Almost surely, 2^28684846806 is an apocalyptic number.

28684846806 is an abundant number, since it is smaller than the sum of its proper divisors (42841006122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28684846806 is a wasteful number, since it uses less digits than its factorization.

28684846806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62088436.

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 28684846806 in words is "twenty-eight billion, six hundred eighty-four million, eight hundred forty-six thousand, eight hundred six".