678472208214 has 8 divisors (see below), whose sum is σ = 1356944416440. Its totient is φ = 226157402736.

The previous prime is 678472208209. The next prime is 678472208231. The reversal of 678472208214 is 412802274876.

It is a sphenic number, since it is the product of 3 distinct primes.

678472208214 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56539350679 + ... + 56539350690.

It is an arithmetic number, because the mean of its divisors is an integer number (169618052055).

Almost surely, 2^678472208214 is an apocalyptic number.

678472208214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

678472208214 is a wasteful number, since it uses less digits than its factorization.

678472208214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113078701374.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 678472208214 in words is "six hundred seventy-eight billion, four hundred seventy-two million, two hundred eight thousand, two hundred fourteen".