7766672766676 has 12 divisors (see below), whose sum is σ = 13592373025140. Its totient is φ = 3883137616640.

The previous prime is 7766672766653. The next prime is 7766672766679. The reversal of 7766672766676 is 6766672766677.

It can be written as a sum of positive squares in 2 ways, for example, as 529873349776 + 7236799416900 = 727924^2 + 2690130^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7766672766596 and 7766672766605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766672766679) 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, 49603741 + ... + 49760068.

It is an arithmetic number, because the mean of its divisors is an integer number (1132697752095).

Almost surely, 2^{7766672766676} is an apocalyptic number.

It is an amenable number.

7766672766676 is a deficient number, since it is larger than the sum of its proper divisors (5825700258464).

7766672766676 is a wasteful number, since it uses less digits than its factorization.

7766672766676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99383354 (or 99383352 counting only the distinct ones).

The product of its digits is 9409768704, while the sum is 79.

Subtracting from 7766672766676 its reverse (6766672766677), we obtain a palindrome (999999999999).

The spelling of 7766672766676 in words is "seven trillion, seven hundred sixty-six billion, six hundred seventy-two million, seven hundred sixty-six thousand, six hundred seventy-six".