678614416876 has 24 divisors (see below), whose sum is σ = 1296913458960. Its totient is φ = 308133278400.

The previous prime is 678614416867. The next prime is 678614416913.

It is a happy number.

678614416876 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8153631 + ... + 8236438.

It is an arithmetic number, because the mean of its divisors is an integer number (54038060790).

Almost surely, 2^678614416876 is an apocalyptic number.

It is an amenable number.

678614416876 is a deficient number, since it is larger than the sum of its proper divisors (618299042084).

678614416876 is a wasteful number, since it uses less digits than its factorization.

678614416876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391025 (or 16391023 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 64.

The spelling of 678614416876 in words is "six hundred seventy-eight billion, six hundred fourteen million, four hundred sixteen thousand, eight hundred seventy-six".