6766705717 has 4 divisors (see below), whose sum is σ = 6767683936. Its totient is φ = 6765727500.

The previous prime is 6766705711. The next prime is 6766705739. The reversal of 6766705717 is 7175076676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6766705717 - 2¹⁵ = 6766672949 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 (6766705711) 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, 478659 + ... + 492592.

It is an arithmetic number, because the mean of its divisors is an integer number (1691920984).

Almost surely, 2^6766705717 is an apocalyptic number.

It is an amenable number.

6766705717 is a deficient number, since it is larger than the sum of its proper divisors (978219).

6766705717 is an equidigital number, since it uses as much as digits as its factorization.

6766705717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978218.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The square root of 6766705717 is about 82259.9885545822. The cubic root of 6766705717 is about 1891.4393929450.

The spelling of 6766705717 in words is "six billion, seven hundred sixty-six million, seven hundred five thousand, seven hundred seventeen".