82856824 has 8 divisors (see below), whose sum is σ = 155356560. Its totient is φ = 41428408.

The previous prime is 82856819. The next prime is 82856843. The reversal of 82856824 is 42865828.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5178544 + ... + 5178559.

It is an arithmetic number, because the mean of its divisors is an integer number (19419570).

Almost surely, 2^82856824 is an apocalyptic number.

It is an amenable number.

82856824 is a deficient number, since it is larger than the sum of its proper divisors (72499736).

82856824 is a wasteful number, since it uses less digits than its factorization.

82856824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357109 (or 10357105 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 82856824 is about 9102.5723836727. The cubic root of 82856824 is about 435.9561019687.

The spelling of 82856824 in words is "eighty-two million, eight hundred fifty-six thousand, eight hundred twenty-four".