28389696000 has 160 divisors (see below), whose sum is σ = 94389280128. Its totient is φ = 7570534400.

The previous prime is 28389695993. The next prime is 28389696017. The reversal of 28389696000 is 69698382.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118069 + ... + 265931.

Almost surely, 2^28389696000 is an apocalyptic number.

28389696000 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 28389696000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47194640064).

28389696000 is an abundant number, since it is smaller than the sum of its proper divisors (65999584128).

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

28389696000 is an equidigital number, since it uses as much as digits as its factorization.

28389696000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147899 (or 147873 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 28389696000 in words is "twenty-eight billion, three hundred eighty-nine million, six hundred ninety-six thousand".