676386687 has 8 divisors (see below), whose sum is σ = 903582000. Its totient is φ = 450057920.

The previous prime is 676386661. The next prime is 676386761. The reversal of 676386687 is 786683676.

It is a happy number.

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 676386687 - 2¹⁵ = 676353919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676386647) 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 7 ways as a sum of consecutive naturals, for example, 214812 + ... + 217937.

It is an arithmetic number, because the mean of its divisors is an integer number (112947750).

Almost surely, 2^676386687 is an apocalyptic number.

676386687 is a deficient number, since it is larger than the sum of its proper divisors (227195313).

676386687 is a wasteful number, since it uses less digits than its factorization.

676386687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433273.

The product of its digits is 12192768, while the sum is 57.

The square root of 676386687 is about 26007.4352253351. The cubic root of 676386687 is about 877.8056064949.

The spelling of 676386687 in words is "six hundred seventy-six million, three hundred eighty-six thousand, six hundred eighty-seven".