82111343 has 8 divisors (see below), whose sum is σ = 89746560. Its totient is φ = 74787840.

The previous prime is 82111339. The next prime is 82111391. The reversal of 82111343 is 34311128.

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

It is a cyclic number.

It is not a de Polignac number, because 82111343 - 2² = 82111339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82111313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77378 + ... + 78431.

It is an arithmetic number, because the mean of its divisors is an integer number (11218320).

Almost surely, 2^82111343 is an apocalyptic number.

82111343 is a deficient number, since it is larger than the sum of its proper divisors (7635217).

82111343 is a wasteful number, since it uses less digits than its factorization.

82111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155857.

The product of its digits is 576, while the sum is 23.

The square root of 82111343 is about 9061.5309412924. The cubic root of 82111343 is about 434.6446968798.

The spelling of 82111343 in words is "eighty-two million, one hundred eleven thousand, three hundred forty-three".