678423324876 has 48 divisors (see below), whose sum is σ = 1759478692608. Its totient is φ = 201703902400.

The previous prime is 678423324853. The next prime is 678423324881.

It is a happy number.

678423324876 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48479520 + ... + 48493511.

It is an arithmetic number, because the mean of its divisors is an integer number (36655806096).

Almost surely, 2^678423324876 is an apocalyptic number.

678423324876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

678423324876 is an abundant number, since it is smaller than the sum of its proper divisors (1081055367732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678423324876 is a wasteful number, since it uses less digits than its factorization.

678423324876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96973102 (or 96973100 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 60.

The spelling of 678423324876 in words is "six hundred seventy-eight billion, four hundred twenty-three million, three hundred twenty-four thousand, eight hundred seventy-six".