677716511366 has 16 divisors (see below), whose sum is σ = 1019650349520. Its totient is φ = 337834498560.

The previous prime is 677716511347. The next prime is 677716511383. The reversal of 677716511366 is 663115617776.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586550 + ... + 1303638.

It is an arithmetic number, because the mean of its divisors is an integer number (63728146845).

Almost surely, 2^677716511366 is an apocalyptic number.

677716511366 is a deficient number, since it is larger than the sum of its proper divisors (341933838154).

677716511366 is a wasteful number, since it uses less digits than its factorization.

677716511366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718519.

The product of its digits is 6667920, while the sum is 56.

The spelling of 677716511366 in words is "six hundred seventy-seven billion, seven hundred sixteen million, five hundred eleven thousand, three hundred sixty-six".