678754327 has 2 divisors, whose sum is σ = 678754328. Its totient is φ = 678754326.

The previous prime is 678754319. The next prime is 678754369. The reversal of 678754327 is 723457876.

It is a happy number.

678754327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 678754327 - 2³ = 678754319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678754387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339377163 + 339377164.

It is an arithmetic number, because the mean of its divisors is an integer number (339377164).

Almost surely, 2^678754327 is an apocalyptic number.

678754327 is a deficient number, since it is larger than the sum of its proper divisors (1).

678754327 is an equidigital number, since it uses as much as digits as its factorization.

678754327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 49.

The square root of 678754327 is about 26052.9139828926. The cubic root of 678754327 is about 878.8286442541.

The spelling of 678754327 in words is "six hundred seventy-eight million, seven hundred fifty-four thousand, three hundred twenty-seven".