678071367 has 12 divisors (see below), whose sum is σ = 1037050560. Its totient is φ = 425456448.

The previous prime is 678071323. The next prime is 678071413. The reversal of 678071367 is 763170876.

It is a happy number.

It is not a de Polignac number, because 678071367 - 2⁸ = 678071111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678071167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2215767 + ... + 2216072.

It is an arithmetic number, because the mean of its divisors is an integer number (86420880).

Almost surely, 2^678071367 is an apocalyptic number.

678071367 is a deficient number, since it is larger than the sum of its proper divisors (358979193).

678071367 is a wasteful number, since it uses less digits than its factorization.

678071367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431862 (or 4431859 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 678071367 is about 26039.8035130836. The cubic root of 678071367 is about 878.5337873338.

The spelling of 678071367 in words is "six hundred seventy-eight million, seventy-one thousand, three hundred sixty-seven".