6667484879 has 8 divisors (see below), whose sum is σ = 7321791360. Its totient is φ = 6021207000.

The previous prime is 6667484849. The next prime is 6667484899. The reversal of 6667484879 is 9784847666.

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 6667484879 - 2³² = 2372517583 is a prime.

It is a super-2 number, since 2×6667484879² = 88910709223387289282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667484819) 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, 2005409 + ... + 2008730.

It is an arithmetic number, because the mean of its divisors is an integer number (915223920).

Almost surely, 2^6667484879 is an apocalyptic number.

6667484879 is a deficient number, since it is larger than the sum of its proper divisors (654306481).

6667484879 is a wasteful number, since it uses less digits than its factorization.

6667484879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014301.

The product of its digits is 97542144, while the sum is 65.

The square root of 6667484879 is about 81654.6684458396. The cubic root of 6667484879 is about 1882.1490513408.

The spelling of 6667484879 in words is "six billion, six hundred sixty-seven million, four hundred eighty-four thousand, eight hundred seventy-nine".