82771343 has 2 divisors, whose sum is σ = 82771344. Its totient is φ = 82771342.

The previous prime is 82771321. The next prime is 82771369. The reversal of 82771343 is 34317728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82771343 - 2¹⁰ = 82770319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82771373) 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 as a sum of consecutive naturals, namely, 41385671 + 41385672.

It is an arithmetic number, because the mean of its divisors is an integer number (41385672).

Almost surely, 2^82771343 is an apocalyptic number.

82771343 is a deficient number, since it is larger than the sum of its proper divisors (1).

82771343 is an equidigital number, since it uses as much as digits as its factorization.

82771343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 82771343 is about 9097.8757410727. The cubic root of 82771343 is about 435.8061292627.

The spelling of 82771343 in words is "eighty-two million, seven hundred seventy-one thousand, three hundred forty-three".