82280566 has 8 divisors (see below), whose sum is σ = 124160400. Its totient is φ = 40893768.

The previous prime is 82280537. The next prime is 82280567. The reversal of 82280566 is 66508228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82280567) 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 3 ways as a sum of consecutive naturals, for example, 122841 + ... + 123508.

It is an arithmetic number, because the mean of its divisors is an integer number (15520050).

Almost surely, 2^82280566 is an apocalyptic number.

82280566 is a deficient number, since it is larger than the sum of its proper divisors (41879834).

82280566 is a wasteful number, since it uses less digits than its factorization.

82280566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246518.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 82280566 is about 9070.8635752061. The cubic root of 82280566 is about 434.9430779439.

The spelling of 82280566 in words is "eighty-two million, two hundred eighty thousand, five hundred sixty-six".