6674767766 has 16 divisors (see below), whose sum is σ = 10614058560. Its totient is φ = 3137228160.

The previous prime is 6674767703. The next prime is 6674767789. The reversal of 6674767766 is 6677674766.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6674767699 and 6674767708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91646 + ... + 147473.

It is an arithmetic number, because the mean of its divisors is an integer number (663378660).

Almost surely, 2^6674767766 is an apocalyptic number.

6674767766 is a deficient number, since it is larger than the sum of its proper divisors (3939290794).

6674767766 is a wasteful number, since it uses less digits than its factorization.

6674767766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239959.

The product of its digits is 74680704, while the sum is 62.

The square root of 6674767766 is about 81699.2519304798. The cubic root of 6674767766 is about 1882.8340918143.

The spelling of 6674767766 in words is "six billion, six hundred seventy-four million, seven hundred sixty-seven thousand, seven hundred sixty-six".