82671343 has 4 divisors (see below), whose sum is σ = 82727568. Its totient is φ = 82615120.

The previous prime is 82671313. The next prime is 82671359. The reversal of 82671343 is 34317628.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82671343 - 2²⁵ = 49116911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82671299 and 82671308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82671313) 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, 25846 + ... + 28867.

It is an arithmetic number, because the mean of its divisors is an integer number (20681892).

Almost surely, 2^82671343 is an apocalyptic number.

82671343 is a deficient number, since it is larger than the sum of its proper divisors (56225).

82671343 is a wasteful number, since it uses less digits than its factorization.

82671343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56224.

The product of its digits is 24192, while the sum is 34.

The square root of 82671343 is about 9092.3782917342. The cubic root of 82671343 is about 435.6305524921.

The spelling of 82671343 in words is "eighty-two million, six hundred seventy-one thousand, three hundred forty-three".