28548017596 has 48 divisors (see below), whose sum is σ = 58312038400. Its totient is φ = 12224202480.

The previous prime is 28548017543. The next prime is 28548017609. The reversal of 28548017596 is 69571084582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680481 + ... + 1697383.

Almost surely, 2^28548017596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28548017596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29156019200).

28548017596 is an abundant number, since it is smaller than the sum of its proper divisors (29764020804).

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

28548017596 is a wasteful number, since it uses less digits than its factorization.

28548017596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18159 (or 18143 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 28548017596 in words is "twenty-eight billion, five hundred forty-eight million, seventeen thousand, five hundred ninety-six".