678308467 has 2 divisors, whose sum is σ = 678308468. Its totient is φ = 678308466.

The previous prime is 678308447. The next prime is 678308503. The reversal of 678308467 is 764803876.

678308467 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 a de Polignac number, because none of the positive numbers 2^k-678308467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 678308467.

It is not a weakly prime, because it can be changed into another prime (678308447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339154233 + 339154234.

It is an arithmetic number, because the mean of its divisors is an integer number (339154234).

Almost surely, 2^678308467 is an apocalyptic number.

678308467 is a deficient number, since it is larger than the sum of its proper divisors (1).

678308467 is an equidigital number, since it uses as much as digits as its factorization.

678308467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 678308467 is about 26044.3557608938. The cubic root of 678308467 is about 878.6361738461.

The spelling of 678308467 in words is "six hundred seventy-eight million, three hundred eight thousand, four hundred sixty-seven".