82941689 has 2 divisors, whose sum is σ = 82941690. Its totient is φ = 82941688.

The previous prime is 82941673. The next prime is 82941701. The reversal of 82941689 is 98614928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 2301289 = 8980^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 82941689 - 2⁴ = 82941673 is a prime.

It is not a weakly prime, because it can be changed into another prime (82941629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41470844 + 41470845.

It is an arithmetic number, because the mean of its divisors is an integer number (41470845).

Almost surely, 2^82941689 is an apocalyptic number.

It is an amenable number.

82941689 is a deficient number, since it is larger than the sum of its proper divisors (1).

82941689 is an equidigital number, since it uses as much as digits as its factorization.

82941689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 82941689 is about 9107.2327849902. The cubic root of 82941689 is about 436.1048919280.

The spelling of 82941689 in words is "eighty-two million, nine hundred forty-one thousand, six hundred eighty-nine".