82280343 has 4 divisors (see below), whose sum is σ = 109707128. Its totient is φ = 54853560.

The previous prime is 82280329. The next prime is 82280351. The reversal of 82280343 is 34308228.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82280343 - 2⁹ = 82279831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82280343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82280243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13713388 + ... + 13713393.

It is an arithmetic number, because the mean of its divisors is an integer number (27426782).

Almost surely, 2^82280343 is an apocalyptic number.

82280343 is a deficient number, since it is larger than the sum of its proper divisors (27426785).

82280343 is a wasteful number, since it uses less digits than its factorization.

82280343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27426784.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 82280343 is about 9070.8512830936. The cubic root of 82280343 is about 434.9426850104.

The spelling of 82280343 in words is "eighty-two million, two hundred eighty thousand, three hundred forty-three".