7979323217 has 8 divisors (see below), whose sum is σ = 8065780800. Its totient is φ = 7893280944.

The previous prime is 7979323169. The next prime is 7979323237. The reversal of 7979323217 is 7123239797.

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

It is a cyclic number.

It is not a de Polignac number, because 7979323217 - 2⁶ = 7979323153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7979323237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65117 + ... + 142122.

It is an arithmetic number, because the mean of its divisors is an integer number (1008222600).

Almost surely, 2^7979323217 is an apocalyptic number.

It is an amenable number.

7979323217 is a deficient number, since it is larger than the sum of its proper divisors (86457583).

7979323217 is a wasteful number, since it uses less digits than its factorization.

7979323217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207655.

The product of its digits is 1000188, while the sum is 50.

The square root of 7979323217 is about 89327.0575861536. The cubic root of 7979323217 is about 1998.2754481379.

The spelling of 7979323217 in words is "seven billion, nine hundred seventy-nine million, three hundred twenty-three thousand, two hundred seventeen".