82010580 has 24 divisors (see below), whose sum is σ = 229629792. Its totient is φ = 21869472.

The previous prime is 82010569. The next prime is 82010587. The reversal of 82010580 is 8501028.

It is a self number, because there is not a number n which added to its sum of digits gives 82010580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82010587) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 683362 + ... + 683481.

It is an arithmetic number, because the mean of its divisors is an integer number (9567908).

Almost surely, 2^82010580 is an apocalyptic number.

It is an amenable number.

82010580 is an abundant number, since it is smaller than the sum of its proper divisors (147619212).

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

82010580 is a wasteful number, since it uses less digits than its factorization.

82010580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366855 (or 1366853 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 82010580 is about 9055.9693020681. The cubic root of 82010580 is about 434.4668325758.

The spelling of 82010580 in words is "eighty-two million, ten thousand, five hundred eighty".