678466547 has 16 divisors (see below), whose sum is σ = 754185600. Its totient is φ = 605130240.

The previous prime is 678466531. The next prime is 678466553. The reversal of 678466547 is 745664876.

678466547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 678466547 - 2⁴ = 678466531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678466567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556883 + ... + 558099.

It is an arithmetic number, because the mean of its divisors is an integer number (47136600).

Almost surely, 2^678466547 is an apocalyptic number.

678466547 is a deficient number, since it is larger than the sum of its proper divisors (75719053).

678466547 is a wasteful number, since it uses less digits than its factorization.

678466547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its digits is 6773760, while the sum is 53.

The square root of 678466547 is about 26047.3904067183. The cubic root of 678466547 is about 878.7044240227.

The spelling of 678466547 in words is "six hundred seventy-eight million, four hundred sixty-six thousand, five hundred forty-seven".