82644844 has 12 divisors (see below), whose sum is σ = 144714024. Its totient is φ = 41297984.

The previous prime is 82644841. The next prime is 82644883. The reversal of 82644844 is 44844628.

It is a junction number, because it is equal to n+sod(n) for n = 82644797 and 82644806.

It is not an unprimeable number, because it can be changed into a prime (82644841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (12059502).

Almost surely, 2^82644844 is an apocalyptic number.

It is an amenable number.

82644844 is a deficient number, since it is larger than the sum of its proper divisors (62069180).

82644844 is a wasteful number, since it uses less digits than its factorization.

82644844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224 (or 12222 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 82644844 is about 9090.9209654468. The cubic root of 82644844 is about 435.5840026752.

The spelling of 82644844 in words is "eighty-two million, six hundred forty-four thousand, eight hundred forty-four".