171008486947 has 8 divisors (see below), whose sum is σ = 172295516016. Its totient is φ = 169722020352.

The previous prime is 171008486927. The next prime is 171008486989. The reversal of 171008486947 is 749684800171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171008486947 - 2³¹ = 168861003299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171008486927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479988 + ... + 756574.

It is an arithmetic number, because the mean of its divisors is an integer number (21536939502).

Almost surely, 2^171008486947 is an apocalyptic number.

171008486947 is a deficient number, since it is larger than the sum of its proper divisors (1287029069).

171008486947 is a wasteful number, since it uses less digits than its factorization.

171008486947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281237.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 171008486947 in words is "one hundred seventy-one billion, eight million, four hundred eighty-six thousand, nine hundred forty-seven".