28904888000 has 112 divisors (see below), whose sum is σ = 72132005088. Its totient is φ = 11473280000.

The previous prime is 28904887969. The next prime is 28904888009. The reversal of 28904888000 is 88840982.

It is not an unprimeable number, because it can be changed into a prime (28904888009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034210 + ... + 1061790.

Almost surely, 2^28904888000 is an apocalyptic number.

28904888000 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 28904888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36066002544).

28904888000 is an abundant number, since it is smaller than the sum of its proper divisors (43227117088).

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

28904888000 is a wasteful number, since it uses less digits than its factorization.

28904888000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27739 (or 27719 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 28904888000 in words is "twenty-eight billion, nine hundred four million, eight hundred eighty-eight thousand".