6679779766 has 16 divisors (see below), whose sum is σ = 10934958528. Its totient is φ = 3035038600.

The previous prime is 6679779751. The next prime is 6679779781.

6679779766 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6679779751) and next prime (6679779781).

It is a junction number, because it is equal to n+sod(n) for n = 6679779695 and 6679779704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 115663.

It is an arithmetic number, because the mean of its divisors is an integer number (683434908).

Almost surely, 2^6679779766 is an apocalyptic number.

6679779766 is a deficient number, since it is larger than the sum of its proper divisors (4255178762).

6679779766 is a wasteful number, since it uses less digits than its factorization.

6679779766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122507.

The product of its digits is 252047376, while the sum is 70.

The square root of 6679779766 is about 81729.9196500278. The cubic root of 6679779766 is about 1883.3052394657.

The spelling of 6679779766 in words is "six billion, six hundred seventy-nine million, seven hundred seventy-nine thousand, seven hundred sixty-six".