6667707707 has 4 divisors (see below), whose sum is σ = 6672087240. Its totient is φ = 6663328176.

The previous prime is 6667707701. The next prime is 6667707721. The reversal of 6667707707 is 7077077666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6667707707 - 2¹⁸ = 6667445563 is a prime.

It is a super-3 number, since 3×6667707707³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6667707701) 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, 2187482 + ... + 2190527.

It is an arithmetic number, because the mean of its divisors is an integer number (1668021810).

Almost surely, 2^6667707707 is an apocalyptic number.

6667707707 is a deficient number, since it is larger than the sum of its proper divisors (4379533).

6667707707 is a wasteful number, since it uses less digits than its factorization.

6667707707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379532.

The product of its (nonzero) digits is 3630312, while the sum is 53.

The square root of 6667707707 is about 81656.0328879624. The cubic root of 6667707707 is about 1882.1700183093.

The spelling of 6667707707 in words is "six billion, six hundred sixty-seven million, seven hundred seven thousand, seven hundred seven".