678626876 has 24 divisors (see below), whose sum is σ = 1323640080. Its totient is φ = 302545152.

The previous prime is 678626863. The next prime is 678626899.

678626876 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 261335 + ... + 263918.

It is an arithmetic number, because the mean of its divisors is an integer number (55151670).

Almost surely, 2^678626876 is an apocalyptic number.

It is an amenable number.

678626876 is a deficient number, since it is larger than the sum of its proper divisors (645013204).

678626876 is a wasteful number, since it uses less digits than its factorization.

678626876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525293 (or 525291 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 678626876 is about 26050.4678652803. The cubic root of 678626876 is about 878.7736343649.

The spelling of 678626876 in words is "six hundred seventy-eight million, six hundred twenty-six thousand, eight hundred seventy-six".