28998800000 has 96 divisors (see below), whose sum is σ = 72210182940. Its totient is φ = 11599360000.

The previous prime is 28998799979. The next prime is 28998800023. The reversal of 28998800000 is 889982.

It can be written as a sum of positive squares in 6 ways, for example, as 5275407424 + 23723392576 = 72632^2 + 154024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363752 + ... + 436248.

Almost surely, 2^28998800000 is an apocalyptic number.

28998800000 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 28998800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36105091470).

28998800000 is an abundant number, since it is smaller than the sum of its proper divisors (43211382940).

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

28998800000 is an frugal number, since it uses more digits than its factorization.

28998800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72536 (or 72504 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 28998800000 in words is "twenty-eight billion, nine hundred ninety-eight million, eight hundred thousand".