28534831848 has 32 divisors (see below), whose sum is σ = 79263422400. Its totient is φ = 9511610544.

The previous prime is 28534831847. The next prime is 28534831867. The reversal of 28534831848 is 84813843582.

28534831848 is a `hidden beast` number, since 2 + 85 + 3 + 483 + 1 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28534831794 and 28534831803.

It is not an unprimeable number, because it can be changed into a prime (28534831841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66052636 + ... + 66053067.

It is an arithmetic number, because the mean of its divisors is an integer number (2476981950).

Almost surely, 2^28534831848 is an apocalyptic number.

It is an amenable number.

28534831848 is an abundant number, since it is smaller than the sum of its proper divisors (50728590552).

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

28534831848 is a wasteful number, since it uses less digits than its factorization.

28534831848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132105718 (or 132105708 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 28534831848 in words is "twenty-eight billion, five hundred thirty-four million, eight hundred thirty-one thousand, eight hundred forty-eight".