7997171 has 8 divisors (see below), whose sum is σ = 9842784. Its totient is φ = 6327360.

The previous prime is 7997167. The next prime is 7997201. The reversal of 7997171 is 1717997.

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

It is not a de Polignac number, because 7997171 - 2² = 7997167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7997131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43850 + ... + 44031.

It is an arithmetic number, because the mean of its divisors is an integer number (1230348).

Almost surely, 2^7997171 is an apocalyptic number.

7997171 is a deficient number, since it is larger than the sum of its proper divisors (1845613).

7997171 is a wasteful number, since it uses less digits than its factorization.

7997171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87901.

The product of its digits is 27783, while the sum is 41.

The square root of 7997171 is about 2827.9269792553. The cubic root of 7997171 is about 199.9764222206.

The spelling of 7997171 in words is "seven million, nine hundred ninety-seven thousand, one hundred seventy-one".