82857875828 has 48 divisors (see below), whose sum is σ = 184617041280. Its totient is φ = 31648627584.

The previous prime is 82857875753. The next prime is 82857875831.

82857875828 is nontrivially palindromic in base 10.

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, 3914126 + ... + 3935237.

It is an arithmetic number, because the mean of its divisors is an integer number (3846188360).

Almost surely, 2^82857875828 is an apocalyptic number.

It is an amenable number.

82857875828 is an abundant number, since it is smaller than the sum of its proper divisors (101759165452).

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

82857875828 is a wasteful number, since it uses less digits than its factorization.

82857875828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849416 (or 7849414 counting only the distinct ones).

The product of its digits is 160563200, while the sum is 68.

The spelling of 82857875828 in words is "eighty-two billion, eight hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred twenty-eight".