82043980 has 24 divisors (see below), whose sum is σ = 177851520. Its totient is φ = 31758720.

The previous prime is 82043953. The next prime is 82044007. The reversal of 82043980 is 8934028.

It is an interprime number because it is at equal distance from previous prime (82043953) and next prime (82044007).

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, 65545 + ... + 66784.

It is an arithmetic number, because the mean of its divisors is an integer number (7410480).

Almost surely, 2^82043980 is an apocalyptic number.

It is an amenable number.

82043980 is an abundant number, since it is smaller than the sum of its proper divisors (95807540).

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

82043980 is a wasteful number, since it uses less digits than its factorization.

82043980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132369 (or 132367 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82043980 is about 9057.8132018716. The cubic root of 82043980 is about 434.5258055469.

The spelling of 82043980 in words is "eighty-two million, forty-three thousand, nine hundred eighty".