678064106 has 16 divisors (see below), whose sum is σ = 1028288520. Its totient is φ = 335308800.

The previous prime is 678064103. The next prime is 678064111. The reversal of 678064106 is 601460876.

It can be written as a sum of positive squares in 4 ways, for example, as 670551025 + 7513081 = 25895^2 + 2741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 678064106.

It is not an unprimeable number, because it can be changed into a prime (678064103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358010 + ... + 359898.

Almost surely, 2^678064106 is an apocalyptic number.

678064106 is a deficient number, since it is larger than the sum of its proper divisors (350224414).

678064106 is a wasteful number, since it uses less digits than its factorization.

678064106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 678064106 is about 26039.6640915354. The cubic root of 678064106 is about 878.5306514512.

The spelling of 678064106 in words is "six hundred seventy-eight million, sixty-four thousand, one hundred six".