82943071 has 2 divisors, whose sum is σ = 82943072. Its totient is φ = 82943070.

The previous prime is 82943059. The next prime is 82943089. The reversal of 82943071 is 17034928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82943071 - 2¹⁷ = 82811999 is a prime.

It is a super-2 number, since 2×82943071² = 13759106053822082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82943171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41471535 + 41471536.

It is an arithmetic number, because the mean of its divisors is an integer number (41471536).

Almost surely, 2^82943071 is an apocalyptic number.

82943071 is a deficient number, since it is larger than the sum of its proper divisors (1).

82943071 is an equidigital number, since it uses as much as digits as its factorization.

82943071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 82943071 is about 9107.3086584347. The cubic root of 82943071 is about 436.1073140859.

Adding to 82943071 its reverse (17034928), we get a palindrome (99977999).

The spelling of 82943071 in words is "eighty-two million, nine hundred forty-three thousand, seventy-one".