82143333 has 12 divisors (see below), whose sum is σ = 118734720. Its totient is φ = 54723816.

The previous prime is 82143329. The next prime is 82143353. The reversal of 82143333 is 33334128.

It is not a de Polignac number, because 82143333 - 2² = 82143329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82143297 and 82143306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82143353) 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 11 ways as a sum of consecutive naturals, for example, 17158 + ... + 21416.

It is an arithmetic number, because the mean of its divisors is an integer number (9894560).

Almost surely, 2^82143333 is an apocalyptic number.

It is an amenable number.

82143333 is a deficient number, since it is larger than the sum of its proper divisors (36591387).

82143333 is a wasteful number, since it uses less digits than its factorization.

82143333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408 (or 6405 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 82143333 is about 9063.2959236693. The cubic root of 82143333 is about 434.7011343872.

The spelling of 82143333 in words is "eighty-two million, one hundred forty-three thousand, three hundred thirty-three".