82076644 has 12 divisors (see below), whose sum is σ = 154683004. Its totient is φ = 37881504.

The previous prime is 82076633. The next prime is 82076669. The reversal of 82076644 is 44667028.

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 53582400 = 5338^2 + 7320^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 789147 + ... + 789250.

Almost surely, 2^82076644 is an apocalyptic number.

It is an amenable number.

82076644 is a deficient number, since it is larger than the sum of its proper divisors (72606360).

82076644 is a wasteful number, since it uses less digits than its factorization.

82076644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578414 (or 1578412 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 82076644 is about 9059.6161066571. The cubic root of 82076644 is about 434.5834635158.

The spelling of 82076644 in words is "eighty-two million, seventy-six thousand, six hundred forty-four".