171348281087 has 2 divisors, whose sum is σ = 171348281088. Its totient is φ = 171348281086.

The previous prime is 171348281081. The next prime is 171348281089. The reversal of 171348281087 is 780182843171.

It is a strong prime.

It is an emirp because it is prime and its reverse (780182843171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171348281087 - 2³⁶ = 102628804351 is a prime.

Together with 171348281089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171348281081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85674140543 + 85674140544.

It is an arithmetic number, because the mean of its divisors is an integer number (85674140544).

Almost surely, 2^171348281087 is an apocalyptic number.

171348281087 is a deficient number, since it is larger than the sum of its proper divisors (1).

171348281087 is an equidigital number, since it uses as much as digits as its factorization.

171348281087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 50.

The spelling of 171348281087 in words is "one hundred seventy-one billion, three hundred forty-eight million, two hundred eighty-one thousand, eighty-seven".