82077684 has 24 divisors (see below), whose sum is σ = 206246880. Its totient is φ = 25254624.

The previous prime is 82077679. The next prime is 82077691. The reversal of 82077684 is 48677028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262914 + ... + 263225.

It is an arithmetic number, because the mean of its divisors is an integer number (8593620).

Almost surely, 2^82077684 is an apocalyptic number.

It is an amenable number.

82077684 is an abundant number, since it is smaller than the sum of its proper divisors (124169196).

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

82077684 is a wasteful number, since it uses less digits than its factorization.

82077684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526159 (or 526157 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 82077684 is about 9059.6735040508. The cubic root of 82077684 is about 434.5852990558.

The spelling of 82077684 in words is "eighty-two million, seventy-seven thousand, six hundred eighty-four".