28547383248 has 120 divisors (see below), whose sum is σ = 83850204672. Its totient is φ = 9049269504.

The previous prime is 28547383247. The next prime is 28547383273. The reversal of 28547383248 is 84238374582.

28547383248 is a `hidden beast` number, since 28 + 547 + 3 + 8 + 32 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28547383194 and 28547383203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547383243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548065 + ... + 597887.

Almost surely, 2^28547383248 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 28547383248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41925102336).

28547383248 is an abundant number, since it is smaller than the sum of its proper divisors (55302821424).

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

28547383248 is a wasteful number, since it uses less digits than its factorization.

28547383248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50033 (or 50024 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 28547383248 in words is "twenty-eight billion, five hundred forty-seven million, three hundred eighty-three thousand, two hundred forty-eight".