676487817 has 24 divisors (see below), whose sum is σ = 1035646560. Its totient is φ = 424045440.

The previous prime is 676487809. The next prime is 676487869. The reversal of 676487817 is 718784676.

It is not a de Polignac number, because 676487817 - 2³ = 676487809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676487807) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 246342 + ... + 249072.

It is an arithmetic number, because the mean of its divisors is an integer number (43151940).

Almost surely, 2^676487817 is an apocalyptic number.

It is an amenable number.

676487817 is a deficient number, since it is larger than the sum of its proper divisors (359158743).

676487817 is a wasteful number, since it uses less digits than its factorization.

676487817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4370 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 676487817 is about 26009.3794043610. The cubic root of 676487817 is about 877.8493527024.

The spelling of 676487817 in words is "six hundred seventy-six million, four hundred eighty-seven thousand, eight hundred seventeen".