6766044647 has 8 divisors (see below), whose sum is σ = 7228454400. Its totient is φ = 6314265144.

The previous prime is 6766044631. The next prime is 6766044667. The reversal of 6766044647 is 7464406676.

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 6766044647 - 2⁴ = 6766044631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6766044595 and 6766044604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6766044617) 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, 2656247 + ... + 2658792.

It is an arithmetic number, because the mean of its divisors is an integer number (903556800).

Almost surely, 2^6766044647 is an apocalyptic number.

6766044647 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6766044647 is a deficient number, since it is larger than the sum of its proper divisors (462409753).

6766044647 is a wasteful number, since it uses less digits than its factorization.

6766044647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315125.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The square root of 6766044647 is about 82255.9702817978. The cubic root of 6766044647 is about 1891.3777965241.

The spelling of 6766044647 in words is "six billion, seven hundred sixty-six million, forty-four thousand, six hundred forty-seven".