6679505856676 has 9 divisors (see below), whose sum is σ = 11689144294849. Its totient is φ = 3339750343864.

The previous prime is 6679505856659. The next prime is 6679505856697. The reversal of 6679505856676 is 6766585059766.

The square root of 6679505856676 is 2584474.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20917836900 + 6658588019776 = 144630^2 + 2580424^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4522830 + ... + 5815066.

Almost surely, 2^{6679505856676} is an apocalyptic number.

6679505856676 is the 2584474-th square number.

It is an amenable number.

6679505856676 is a deficient number, since it is larger than the sum of its proper divisors (5009638438173).

6679505856676 is an frugal number, since it uses more digits than its factorization.

6679505856676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584478 (or 1292239 counting only the distinct ones).

The product of its (nonzero) digits is 3429216000, while the sum is 76.

The spelling of 6679505856676 in words is "six trillion, six hundred seventy-nine billion, five hundred five million, eight hundred fifty-six thousand, six hundred seventy-six".