7979212330 has 8 divisors (see below), whose sum is σ = 14362582212. Its totient is φ = 3191684928.

The previous prime is 7979212309. The next prime is 7979212331. The reversal of 7979212330 is 332129797.

It can be written as a sum of positive squares in 2 ways, for example, as 7209538281 + 769674049 = 84909^2 + 27743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7979212331) 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, 398960607 + ... + 398960626.

Almost surely, 2^7979212330 is an apocalyptic number.

7979212330 is a deficient number, since it is larger than the sum of its proper divisors (6383369882).

7979212330 is a wasteful number, since it uses less digits than its factorization.

7979212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797921240.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 7979212330 is about 89326.4369041999. The cubic root of 7979212330 is about 1998.2661915551.

The spelling of 7979212330 in words is "seven billion, nine hundred seventy-nine million, two hundred twelve thousand, three hundred thirty".