28844806800 has 120 divisors (see below), whose sum is σ = 92627022880. Its totient is φ = 7673011200.

The previous prime is 28844806787. The next prime is 28844806807. The reversal of 28844806800 is 860844882.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 28844806800.

It is not an unprimeable number, because it can be changed into a prime (28844806807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461415 + ... + 520185.

Almost surely, 2^28844806800 is an apocalyptic number.

28844806800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28844806800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46313511440).

28844806800 is an abundant number, since it is smaller than the sum of its proper divisors (63782216080).

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

28844806800 is a wasteful number, since it uses less digits than its factorization.

28844806800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59201 (or 59190 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 28844806800 in words is "twenty-eight billion, eight hundred forty-four million, eight hundred six thousand, eight hundred".