28497003582208 has 144 divisors (see below), whose sum is σ = 65183678816256. Its totient is φ = 12180170096640.

The previous prime is 28497003582199. The next prime is 28497003582209. The reversal of 28497003582208 is 80228530079482.

It is not an unprimeable number, because it can be changed into a prime (28497003582209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2248987713 + ... + 2249000383.

It is an arithmetic number, because the mean of its divisors is an integer number (452664436224).

Almost surely, 2^{28497003582208} is an apocalyptic number.

28497003582208 is a gapful number since it is divisible by the number (28) 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 28497003582208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32591839408128).

28497003582208 is an abundant number, since it is smaller than the sum of its proper divisors (36686675234048).

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

28497003582208 is a wasteful number, since it uses less digits than its factorization.

28497003582208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970 (or 15956 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 28497003582208 in words is "twenty-eight trillion, four hundred ninety-seven billion, three million, five hundred eighty-two thousand, two hundred eight".