678674484476876 has 24 divisors (see below), whose sum is σ = 1190721588127344. Its totient is φ = 338469412881600.

The previous prime is 678674484476861. The next prime is 678674484476887.

678674484476876 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134578415 + ... + 139530278.

It is an arithmetic number, because the mean of its divisors is an integer number (49613399505306).

Almost surely, 2^{678674484476876} is an apocalyptic number.

It is an amenable number.

678674484476876 is a deficient number, since it is larger than the sum of its proper divisors (512047103650468).

678674484476876 is a wasteful number, since it uses less digits than its factorization.

678674484476876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274110281 (or 274110279 counting only the distinct ones).

The product of its digits is 407856218112, while the sum is 92.

The spelling of 678674484476876 in words is "six hundred seventy-eight trillion, six hundred seventy-four billion, four hundred eighty-four million, four hundred seventy-six thousand, eight hundred seventy-six".