82119844 has 27 divisors (see below), whose sum is σ = 150996097. Its totient is φ = 39075344.

The previous prime is 82119841. The next prime is 82119853. The reversal of 82119844 is 44891128.

The square root of 82119844 is 9062.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 1658944 = 8970^2 + 1288^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82119841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 416754 + ... + 416950.

Almost surely, 2^82119844 is an apocalyptic number.

82119844 is the 9062-nd square number.

It is an amenable number.

82119844 is a deficient number, since it is larger than the sum of its proper divisors (68876253).

82119844 is a wasteful number, since it uses less digits than its factorization.

82119844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The cubic root of 82119844 is about 434.6596959730.

The spelling of 82119844 in words is "eighty-two million, one hundred nineteen thousand, eight hundred forty-four".