676776517 has 8 divisors (see below), whose sum is σ = 688286552. Its totient is φ = 665280000.

The previous prime is 676776497. The next prime is 676776563. The reversal of 676776517 is 715677676.

It can be written as a sum of positive squares in 4 ways, for example, as 11600836 + 665175681 = 3406^2 + 25791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676776517 - 2²⁷ = 542558789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676726517) 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, 181213 + ... + 184909.

It is an arithmetic number, because the mean of its divisors is an integer number (86035819).

Almost surely, 2^676776517 is an apocalyptic number.

It is an amenable number.

676776517 is a deficient number, since it is larger than the sum of its proper divisors (11510035).

676776517 is a wasteful number, since it uses less digits than its factorization.

676776517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759.

The product of its digits is 2593080, while the sum is 52.

The square root of 676776517 is about 26014.9287333254. The cubic root of 676776517 is about 877.9742128295.

The spelling of 676776517 in words is "six hundred seventy-six million, seven hundred seventy-six thousand, five hundred seventeen".