28500675544 has 64 divisors (see below), whose sum is σ = 60922160640. Its totient is φ = 12384274560.

The previous prime is 28500675503. The next prime is 28500675557. The reversal of 28500675544 is 44557600582.

It is a junction number, because it is equal to n+sod(n) for n = 28500675494 and 28500675503.

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, 97722 + ... + 257974.

It is an arithmetic number, because the mean of its divisors is an integer number (951908760).

Almost surely, 2^28500675544 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 28500675544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30461080320).

28500675544 is an abundant number, since it is smaller than the sum of its proper divisors (32421485096).

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

28500675544 is a wasteful number, since it uses less digits than its factorization.

28500675544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160360 (or 160356 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 28500675544 in words is "twenty-eight billion, five hundred million, six hundred seventy-five thousand, five hundred forty-four".