82805576 has 32 divisors (see below), whose sum is σ = 177744000. Its totient is φ = 35427456.

The previous prime is 82805563. The next prime is 82805581. The reversal of 82805576 is 67550828.

It is a super-3 number, since 3×82805576³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 50660 + ... + 52268.

It is an arithmetic number, because the mean of its divisors is an integer number (5554500).

Almost surely, 2^82805576 is an apocalyptic number.

It is an amenable number.

82805576 is an abundant number, since it is smaller than the sum of its proper divisors (94938424).

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

82805576 is a wasteful number, since it uses less digits than its factorization.

82805576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 82805576 is about 9099.7569198303. The cubic root of 82805576 is about 435.8662019658.

The spelling of 82805576 in words is "eighty-two million, eight hundred five thousand, five hundred seventy-six".