82856823532 has 48 divisors (see below), whose sum is σ = 175540212288. Its totient is φ = 33406248960.

The previous prime is 82856823523. The next prime is 82856823541. The reversal of 82856823532 is 23532865828.

It is an interprime number because it is at equal distance from previous prime (82856823523) and next prime (82856823541).

It is a self number, because there is not a number n which added to its sum of digits gives 82856823532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055482 + ... + 1131262.

It is an arithmetic number, because the mean of its divisors is an integer number (3657087756).

Almost surely, 2^82856823532 is an apocalyptic number.

It is an amenable number.

82856823532 is an abundant number, since it is smaller than the sum of its proper divisors (92683388756).

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

82856823532 is a wasteful number, since it uses less digits than its factorization.

82856823532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78106 (or 78104 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 82856823532 in words is "eighty-two billion, eight hundred fifty-six million, eight hundred twenty-three thousand, five hundred thirty-two".