678423412374 has 16 divisors (see below), whose sum is σ = 1393518361008. Its totient is φ = 220029214752.

The previous prime is 678423412319. The next prime is 678423412421. The reversal of 678423412374 is 473214324876.

It is a congruent number.

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, 1527980437 + ... + 1527980880.

It is an arithmetic number, because the mean of its divisors is an integer number (87094897563).

Almost surely, 2^678423412374 is an apocalyptic number.

678423412374 is an abundant number, since it is smaller than the sum of its proper divisors (715094948634).

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

678423412374 is a wasteful number, since it uses less digits than its factorization.

678423412374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055961359.

The product of its digits is 5419008, while the sum is 51.

The spelling of 678423412374 in words is "six hundred seventy-eight billion, four hundred twenty-three million, four hundred twelve thousand, three hundred seventy-four".