28302575000 has 96 divisors (see below), whose sum is σ = 75806085600. Its totient is φ = 9703680000.

The previous prime is 28302574961. The next prime is 28302575033. The reversal of 28302575000 is 57520382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94136 + ... + 255864.

It is an arithmetic number, because the mean of its divisors is an integer number (789646725).

Almost surely, 2^28302575000 is an apocalyptic number.

28302575000 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 28302575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37903042800).

28302575000 is an abundant number, since it is smaller than the sum of its proper divisors (47503510600).

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

28302575000 is an equidigital number, since it uses as much as digits as its factorization.

28302575000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161767 (or 161743 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 28302575000 in words is "twenty-eight billion, three hundred two million, five hundred seventy-five thousand".