677646776 has 16 divisors (see below), whose sum is σ = 1273182840. Its totient is φ = 338131360.

The previous prime is 677646751. The next prime is 677646797.

It is a happy number.

677646776 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82331 + ... + 90186.

Almost surely, 2^677646776 is an apocalyptic number.

It is an amenable number.

677646776 is a deficient number, since it is larger than the sum of its proper divisors (595536064).

677646776 is a wasteful number, since it uses less digits than its factorization.

677646776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173014 (or 173010 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 56.

The square root of 677646776 is about 26031.6495059380. The cubic root of 677646776 is about 878.3503772276.

The spelling of 677646776 in words is "six hundred seventy-seven million, six hundred forty-six thousand, seven hundred seventy-six".