82891343 has 2 divisors, whose sum is σ = 82891344. Its totient is φ = 82891342.

The previous prime is 82891331. The next prime is 82891349. The reversal of 82891343 is 34319828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82891343 - 2⁴ = 82891327 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82891297 and 82891306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82891349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41445671 + 41445672.

It is an arithmetic number, because the mean of its divisors is an integer number (41445672).

Almost surely, 2^82891343 is an apocalyptic number.

82891343 is a deficient number, since it is larger than the sum of its proper divisors (1).

82891343 is an equidigital number, since it uses as much as digits as its factorization.

82891343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 82891343 is about 9104.4682985883. The cubic root of 82891343 is about 436.0166348197.

The spelling of 82891343 in words is "eighty-two million, eight hundred ninety-one thousand, three hundred forty-three".