82656017 has 2 divisors, whose sum is σ = 82656018. Its totient is φ = 82656016.

The previous prime is 82655983. The next prime is 82656029. The reversal of 82656017 is 71065628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 39740416 = 6551^2 + 6304^2 .

It is a cyclic number.

It is not a de Polignac number, because 82656017 - 2⁶ = 82655953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82656047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41328008 + 41328009.

It is an arithmetic number, because the mean of its divisors is an integer number (41328009).

Almost surely, 2^82656017 is an apocalyptic number.

It is an amenable number.

82656017 is a deficient number, since it is larger than the sum of its proper divisors (1).

82656017 is an equidigital number, since it uses as much as digits as its factorization.

82656017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 82656017 is about 9091.5354588760. The cubic root of 82656017 is about 435.6036310857.

The spelling of 82656017 in words is "eighty-two million, six hundred fifty-six thousand, seventeen".