678193607 has 16 divisors (see below), whose sum is σ = 835333632. Its totient is φ = 536185440.

The previous prime is 678193583. The next prime is 678193643. The reversal of 678193607 is 706391876.

678193607 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 678193607 - 2¹⁴ = 678177223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678193667) 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, 188132 + ... + 191702.

It is an arithmetic number, because the mean of its divisors is an integer number (52208352).

Almost surely, 2^678193607 is an apocalyptic number.

678193607 is a deficient number, since it is larger than the sum of its proper divisors (157140025).

678193607 is a wasteful number, since it uses less digits than its factorization.

678193607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 678193607 is about 26042.1505832372. The cubic root of 678193607 is about 878.5865770168.

The spelling of 678193607 in words is "six hundred seventy-eight million, one hundred ninety-three thousand, six hundred seven".