82280205580 has 48 divisors (see below), whose sum is σ = 183182904576. Its totient is φ = 30989571840.

The previous prime is 82280205571. The next prime is 82280205599. The reversal of 82280205580 is 8550208228.

It is a super-3 number, since 3×82280205580³ (a number of 34 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 15 ways as a sum of consecutive naturals, for example, 1770439 + ... + 1816318.

It is an arithmetic number, because the mean of its divisors is an integer number (3816310512).

Almost surely, 2^82280205580 is an apocalyptic number.

It is an amenable number.

82280205580 is an abundant number, since it is smaller than the sum of its proper divisors (100902698996).

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

82280205580 is a wasteful number, since it uses less digits than its factorization.

82280205580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586834 (or 3586832 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 82280205580 in words is "eighty-two billion, two hundred eighty million, two hundred five thousand, five hundred eighty".