82256080 has 20 divisors (see below), whose sum is σ = 191245572. Its totient is φ = 32902400.

The previous prime is 82256059. The next prime is 82256099. The reversal of 82256080 is 8065228.

It can be written as a sum of positive squares in 2 ways, for example, as 44997264 + 37258816 = 6708^2 + 6104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514021 + ... + 514180.

Almost surely, 2^82256080 is an apocalyptic number.

82256080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82256080 is an abundant number, since it is smaller than the sum of its proper divisors (108989492).

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

82256080 is a wasteful number, since it uses less digits than its factorization.

82256080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028214 (or 1028208 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 82256080 is about 9069.5137686648. The cubic root of 82256080 is about 434.8999285372.

The spelling of 82256080 in words is "eighty-two million, two hundred fifty-six thousand, eighty".