170880971 has 4 divisors (see below), whose sum is σ = 171217200. Its totient is φ = 170544744.

The previous prime is 170880967. The next prime is 170880977. The reversal of 170880971 is 179088071.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 170880971 - 2² = 170880967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170880977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167351 + ... + 168368.

It is an arithmetic number, because the mean of its divisors is an integer number (42804300).

Almost surely, 2^170880971 is an apocalyptic number.

170880971 is a deficient number, since it is larger than the sum of its proper divisors (336229).

170880971 is an equidigital number, since it uses as much as digits as its factorization.

170880971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336228.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 170880971 is about 13072.1448507886. The cubic root of 170880971 is about 554.9210947533.

The spelling of 170880971 in words is "one hundred seventy million, eight hundred eighty thousand, nine hundred seventy-one".