83170707617 has 2 divisors, whose sum is σ = 83170707618. Its totient is φ = 83170707616.

The previous prime is 83170707541. The next prime is 83170707661. The reversal of 83170707617 is 71670707138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79141505041 + 4029202576 = 281321^2 + 63476^2 .

It is a cyclic number.

It is not a de Polignac number, because 83170707617 - 2¹⁶ = 83170642081 is a prime.

It is not a weakly prime, because it can be changed into another prime (83170707817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41585353808 + 41585353809.

It is an arithmetic number, because the mean of its divisors is an integer number (41585353809).

Almost surely, 2^83170707617 is an apocalyptic number.

It is an amenable number.

83170707617 is a deficient number, since it is larger than the sum of its proper divisors (1).

83170707617 is an equidigital number, since it uses as much as digits as its factorization.

83170707617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345744, while the sum is 47.

The spelling of 83170707617 in words is "eighty-three billion, one hundred seventy million, seven hundred seven thousand, six hundred seventeen".