7879171 has 4 divisors (see below), whose sum is σ = 7885512. Its totient is φ = 7872832.

The previous prime is 7879169. The next prime is 7879181. The reversal of 7879171 is 1719787.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7879171 - 2¹ = 7879169 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7879181) 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, 625 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (1971378).

Almost surely, 2^7879171 is an apocalyptic number.

7879171 is a deficient number, since it is larger than the sum of its proper divisors (6341).

7879171 is a wasteful number, since it uses less digits than its factorization.

7879171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340.

The product of its digits is 24696, while the sum is 40.

The square root of 7879171 is about 2806.9861061288. The cubic root of 7879171 is about 198.9879793754.

The spelling of 7879171 in words is "seven million, eight hundred seventy-nine thousand, one hundred seventy-one".