678900214 has 8 divisors (see below), whose sum is σ = 1037564640. Its totient is φ = 333045336.

The previous prime is 678900203. The next prime is 678900221. The reversal of 678900214 is 412009876.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202254 + ... + 3202465.

It is an arithmetic number, because the mean of its divisors is an integer number (129695580).

Almost surely, 2^678900214 is an apocalyptic number.

678900214 is a deficient number, since it is larger than the sum of its proper divisors (358664426).

678900214 is a wasteful number, since it uses less digits than its factorization.

678900214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404774.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 678900214 is about 26055.7136536308. The cubic root of 678900214 is about 878.8916029638.

The spelling of 678900214 in words is "six hundred seventy-eight million, nine hundred thousand, two hundred fourteen".