677766969666676 has 48 divisors (see below), whose sum is σ = 1190735149443840. Its totient is φ = 337559287403520.

The previous prime is 677766969666607. The next prime is 677766969666707. The reversal of 677766969666676 is 676666969667776.

677766969666676 is a nontrivial binomial coefficient, being equal to C(36817577, 2).

It is a super-2 number, since 2×677766969666676² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15776309836 + ... + 15776352796.

It is an arithmetic number, because the mean of its divisors is an integer number (24806982280080).

Almost surely, 2^{677766969666676} is an apocalyptic number.

677766969666676 is the 36817576-th triangular number.

677766969666676 is the 12272526-th centered nonagonal number.

It is an amenable number.

677766969666676 is a deficient number, since it is larger than the sum of its proper divisors (512968179777164).

677766969666676 is a wasteful number, since it uses less digits than its factorization.

677766969666676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56344 (or 56342 counting only the distinct ones).

The product of its digits is 1959920395776, while the sum is 100.

The spelling of 677766969666676 in words is "six hundred seventy-seven trillion, seven hundred sixty-six billion, nine hundred sixty-nine million, six hundred sixty-six thousand, six hundred seventy-six".