28088428896 has 108 divisors (see below), whose sum is σ = 87798211956. Its totient is φ = 8511634560.

The previous prime is 28088428889. The next prime is 28088428931. The reversal of 28088428896 is 69882488082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 368166 + ... + 437861.

It is an arithmetic number, because the mean of its divisors is an integer number (812946407).

Almost surely, 2^28088428896 is an apocalyptic number.

It is an amenable number.

28088428896 is an abundant number, since it is smaller than the sum of its proper divisors (59709783060).

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

28088428896 is a wasteful number, since it uses less digits than its factorization.

28088428896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806065 (or 806043 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 63.

The spelling of 28088428896 in words is "twenty-eight billion, eighty-eight million, four hundred twenty-eight thousand, eight hundred ninety-six".