82966577 has 2 divisors, whose sum is σ = 82966578. Its totient is φ = 82966576.

The previous prime is 82966573. The next prime is 82966591. The reversal of 82966577 is 77566928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67881121 + 15085456 = 8239^2 + 3884^2 .

It is a cyclic number.

It is not a de Polignac number, because 82966577 - 2² = 82966573 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82966573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41483288 + 41483289.

It is an arithmetic number, because the mean of its divisors is an integer number (41483289).

Almost surely, 2^82966577 is an apocalyptic number.

It is an amenable number.

82966577 is a deficient number, since it is larger than the sum of its proper divisors (1).

82966577 is an equidigital number, since it uses as much as digits as its factorization.

82966577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 82966577 is about 9108.5990690117. The cubic root of 82966577 is about 436.1485076828.

The spelling of 82966577 in words is "eighty-two million, nine hundred sixty-six thousand, five hundred seventy-seven".