678552607 has 2 divisors, whose sum is σ = 678552608. Its totient is φ = 678552606.

The previous prime is 678552557. The next prime is 678552697. The reversal of 678552607 is 706255876.

678552607 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 678552607 - 2²³ = 670163999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678552697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339276303 + 339276304.

It is an arithmetic number, because the mean of its divisors is an integer number (339276304).

Almost surely, 2^678552607 is an apocalyptic number.

678552607 is a deficient number, since it is larger than the sum of its proper divisors (1).

678552607 is an equidigital number, since it uses as much as digits as its factorization.

678552607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 678552607 is about 26049.0423432417. The cubic root of 678552607 is about 878.7415755010.

The spelling of 678552607 in words is "six hundred seventy-eight million, five hundred fifty-two thousand, six hundred seven".