678414064222 has 16 divisors (see below), whose sum is σ = 1024719776640. Its totient is φ = 336844794328.

The previous prime is 678414064183. The next prime is 678414064259. The reversal of 678414064222 is 222460414876.

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, 656308 + ... + 1336999.

It is an arithmetic number, because the mean of its divisors is an integer number (64044986040).

Almost surely, 2^678414064222 is an apocalyptic number.

678414064222 is a deficient number, since it is larger than the sum of its proper divisors (346305712418).

678414064222 is a wasteful number, since it uses less digits than its factorization.

678414064222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994495.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 678414064222 in words is "six hundred seventy-eight billion, four hundred fourteen million, sixty-four thousand, two hundred twenty-two".