678714213 has 8 divisors (see below), whose sum is σ = 906431008. Its totient is φ = 451736784.

The previous prime is 678714209. The next prime is 678714227. The reversal of 678714213 is 312417876.

678714213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 678714213 - 2² = 678714209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678714313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182695 + ... + 186372.

It is an arithmetic number, because the mean of its divisors is an integer number (113303876).

Almost surely, 2^678714213 is an apocalyptic number.

It is an amenable number.

678714213 is a deficient number, since it is larger than the sum of its proper divisors (227716795).

678714213 is a wasteful number, since it uses less digits than its factorization.

678714213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369683.

The product of its digits is 56448, while the sum is 39.

The square root of 678714213 is about 26052.1441152163. The cubic root of 678714213 is about 878.8113311530.

The spelling of 678714213 in words is "six hundred seventy-eight million, seven hundred fourteen thousand, two hundred thirteen".