170880329 has 2 divisors, whose sum is σ = 170880330. Its totient is φ = 170880328.

The previous prime is 170880299. The next prime is 170880331. The reversal of 170880329 is 923088071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170354704 + 525625 = 13052^2 + 725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170880329 is a prime.

It is a Sophie Germain prime.

Together with 170880331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 170880292 and 170880301.

It is not a weakly prime, because it can be changed into another prime (170880349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85440164 + 85440165.

It is an arithmetic number, because the mean of its divisors is an integer number (85440165).

Almost surely, 2^170880329 is an apocalyptic number.

It is an amenable number.

170880329 is a deficient number, since it is larger than the sum of its proper divisors (1).

170880329 is an equidigital number, since it uses as much as digits as its factorization.

170880329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 170880329 is about 13072.1202947341. The cubic root of 170880329 is about 554.9203998060.

The spelling of 170880329 in words is "one hundred seventy million, eight hundred eighty thousand, three hundred twenty-nine".