678464876 has 6 divisors (see below), whose sum is σ = 1187313540. Its totient is φ = 339232436.

The previous prime is 678464869. The next prime is 678464903.

678464876 is nontrivially palindromic in base 10.

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 as a sum of consecutive naturals, namely, 84808106 + ... + 84808113.

It is an arithmetic number, because the mean of its divisors is an integer number (197885590).

Almost surely, 2^678464876 is an apocalyptic number.

It is an amenable number.

678464876 is a deficient number, since it is larger than the sum of its proper divisors (508848664).

678464876 is a wasteful number, since it uses less digits than its factorization.

678464876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169616223 (or 169616221 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The square root of 678464876 is about 26047.3583305486. The cubic root of 678464876 is about 878.7037026330.

The spelling of 678464876 in words is "six hundred seventy-eight million, four hundred sixty-four thousand, eight hundred seventy-six".