171080397 has 8 divisors (see below), whose sum is σ = 253452480. Its totient is φ = 114053580.

The previous prime is 171080383. The next prime is 171080407. The reversal of 171080397 is 793080171.

It is not a de Polignac number, because 171080397 - 2⁴ = 171080381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171080317) 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, 3168129 + ... + 3168182.

It is an arithmetic number, because the mean of its divisors is an integer number (31681560).

Almost surely, 2^171080397 is an apocalyptic number.

It is an amenable number.

171080397 is a deficient number, since it is larger than the sum of its proper divisors (82372083).

171080397 is an equidigital number, since it uses as much as digits as its factorization.

171080397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336320 (or 6336314 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 171080397 is about 13079.7705255100. The cubic root of 171080397 is about 555.1368836946.

The spelling of 171080397 in words is "one hundred seventy-one million, eighty thousand, three hundred ninety-seven".