677676606 has 16 divisors (see below), whose sum is σ = 1356166800. Its totient is φ = 225756608.

The previous prime is 677676581. The next prime is 677676607. The reversal of 677676606 is 606676776.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677676607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22791 + ... + 43298.

It is an arithmetic number, because the mean of its divisors is an integer number (84760425).

Almost surely, 2^677676606 is an apocalyptic number.

677676606 is an abundant number, since it is smaller than the sum of its proper divisors (678490194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677676606 is a wasteful number, since it uses less digits than its factorization.

677676606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67803.

The product of its (nonzero) digits is 2667168, while the sum is 51.

The square root of 677676606 is about 26032.2224560255. Note that the first 3 decimals coincide. The cubic root of 677676606 is about 878.3632653615.

The spelling of 677676606 in words is "six hundred seventy-seven million, six hundred seventy-six thousand, six hundred six".