676559677 has 4 divisors (see below), whose sum is σ = 680339520. Its totient is φ = 672779836.

The previous prime is 676559671. The next prime is 676559687. The reversal of 676559677 is 776955676.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 676559677 - 2¹⁵ = 676526909 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676559671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889653 + ... + 1890010.

It is an arithmetic number, because the mean of its divisors is an integer number (170084880).

Almost surely, 2^676559677 is an apocalyptic number.

It is an amenable number.

676559677 is a deficient number, since it is larger than the sum of its proper divisors (3779843).

676559677 is a wasteful number, since it uses less digits than its factorization.

676559677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779842.

The product of its digits is 16669800, while the sum is 58.

The square root of 676559677 is about 26010.7607924105. The cubic root of 676559677 is about 877.8804348196.

The spelling of 676559677 in words is "six hundred seventy-six million, five hundred fifty-nine thousand, six hundred seventy-seven".