678948684296 has 16 divisors (see below), whose sum is σ = 1273037610240. Its totient is φ = 339471988240.

The previous prime is 678948684277. The next prime is 678948684331. The reversal of 678948684296 is 692486849876.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1855505 + ... + 2191071.

It is an arithmetic number, because the mean of its divisors is an integer number (79564850640).

Almost surely, 2^678948684296 is an apocalyptic number.

It is an amenable number.

678948684296 is a deficient number, since it is larger than the sum of its proper divisors (594088925944).

678948684296 is a wasteful number, since it uses less digits than its factorization.

678948684296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588484 (or 588480 counting only the distinct ones).

The product of its digits is 2006581248, while the sum is 77.

The spelling of 678948684296 in words is "six hundred seventy-eight billion, nine hundred forty-eight million, six hundred eighty-four thousand, two hundred ninety-six".