6668334479 has 8 divisors (see below), whose sum is σ = 6831986880. Its totient is φ = 6505589376.

The previous prime is 6668334467. The next prime is 6668334493. The reversal of 6668334479 is 9744338666.

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 6668334479 - 2²⁰ = 6667285903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668334419) 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, 211934 + ... + 241355.

It is an arithmetic number, because the mean of its divisors is an integer number (853998360).

Almost surely, 2^6668334479 is an apocalyptic number.

6668334479 is a deficient number, since it is larger than the sum of its proper divisors (163652401).

6668334479 is a wasteful number, since it uses less digits than its factorization.

6668334479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453649.

The product of its digits is 15676416, while the sum is 56.

The square root of 6668334479 is about 81659.8706770957. The cubic root of 6668334479 is about 1882.2289918255.

The spelling of 6668334479 in words is "six billion, six hundred sixty-eight million, three hundred thirty-four thousand, four hundred seventy-nine".