171170887 has 8 divisors (see below), whose sum is σ = 172607760. Its totient is φ = 169740480.

The previous prime is 171170873. The next prime is 171171031. The reversal of 171170887 is 788071171.

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 171170887 - 2¹⁵ = 171138119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171170827) 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, 61312 + ... + 64042.

It is an arithmetic number, because the mean of its divisors is an integer number (21575970).

Almost surely, 2^171170887 is an apocalyptic number.

171170887 is a deficient number, since it is larger than the sum of its proper divisors (1436873).

171170887 is a wasteful number, since it uses less digits than its factorization.

171170887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 171170887 is about 13083.2292267620. The cubic root of 171170887 is about 555.2347431089.

The spelling of 171170887 in words is "one hundred seventy-one million, one hundred seventy thousand, eight hundred eighty-seven".