28430884760 has 16 divisors (see below), whose sum is σ = 63969490800. Its totient is φ = 11372353888.

The previous prime is 28430884747. The next prime is 28430884763. The reversal of 28430884760 is 6748803482.

It is a junction number, because it is equal to n+sod(n) for n = 28430884699 and 28430884708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28430884763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355386020 + ... + 355386099.

It is an arithmetic number, because the mean of its divisors is an integer number (3998093175).

Almost surely, 2^28430884760 is an apocalyptic number.

28430884760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28430884760 is an abundant number, since it is smaller than the sum of its proper divisors (35538606040).

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

28430884760 is a wasteful number, since it uses less digits than its factorization.

28430884760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710772130 (or 710772126 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 28430884760 in words is "twenty-eight billion, four hundred thirty million, eight hundred eighty-four thousand, seven hundred sixty".