171342679 has 2 divisors, whose sum is σ = 171342680. Its totient is φ = 171342678.

The previous prime is 171342653. The next prime is 171342713. The reversal of 171342679 is 976243171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171342679 - 2¹³ = 171334487 is a prime.

It is a super-3 number, since 3×171342679³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171342979) 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, 85671339 + 85671340.

It is an arithmetic number, because the mean of its divisors is an integer number (85671340).

Almost surely, 2^171342679 is an apocalyptic number.

171342679 is a deficient number, since it is larger than the sum of its proper divisors (1).

171342679 is an equidigital number, since it uses as much as digits as its factorization.

171342679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 171342679 is about 13089.7929318993. The cubic root of 171342679 is about 555.4204308274.

The spelling of 171342679 in words is "one hundred seventy-one million, three hundred forty-two thousand, six hundred seventy-nine".