82757317 has 2 divisors, whose sum is σ = 82757318. Its totient is φ = 82757316.

The previous prime is 82757299. The next prime is 82757333. The reversal of 82757317 is 71375728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 36978561 = 6766^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 82757317 - 2⁷ = 82757189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82757317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82757347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41378658 + 41378659.

It is an arithmetic number, because the mean of its divisors is an integer number (41378659).

Almost surely, 2^82757317 is an apocalyptic number.

It is an amenable number.

82757317 is a deficient number, since it is larger than the sum of its proper divisors (1).

82757317 is an equidigital number, since it uses as much as digits as its factorization.

82757317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The square root of 82757317 is about 9097.1048691328. The cubic root of 82757317 is about 435.7815113944.

The spelling of 82757317 in words is "eighty-two million, seven hundred fifty-seven thousand, three hundred seventeen".