7979165 has 4 divisors (see below), whose sum is σ = 9575004. Its totient is φ = 6383328.

The previous prime is 7979141. The next prime is 7979173. The reversal of 7979165 is 5619797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5619797 = 23 ⋅244339.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 6446521 = 1238^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 7979165 - 2¹⁴ = 7962781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797912 + ... + 797921.

It is an arithmetic number, because the mean of its divisors is an integer number (2393751).

Almost surely, 2^7979165 is an apocalyptic number.

It is an amenable number.

7979165 is a deficient number, since it is larger than the sum of its proper divisors (1595839).

7979165 is a wasteful number, since it uses less digits than its factorization.

7979165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595838.

The product of its digits is 119070, while the sum is 44.

The square root of 7979165 is about 2824.7415811008. The cubic root of 7979165 is about 199.8262240533.

The spelling of 7979165 in words is "seven million, nine hundred seventy-nine thousand, one hundred sixty-five".