171485880 has 64 divisors (see below), whose sum is σ = 519588000. Its totient is φ = 45273600.

The previous prime is 171485869. The next prime is 171485917. The reversal of 171485880 is 88584171.

171485880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046 + ... + 19194.

Almost surely, 2^171485880 is an apocalyptic number.

171485880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171485880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259794000).

171485880 is an abundant number, since it is smaller than the sum of its proper divisors (348102120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171485880 is a wasteful number, since it uses less digits than its factorization.

171485880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264 (or 14260 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 171485880 is about 13095.2617385068. The cubic root of 171485880 is about 555.5751200814.

The spelling of 171485880 in words is "one hundred seventy-one million, four hundred eighty-five thousand, eight hundred eighty".