678668102 has 16 divisors (see below), whose sum is σ = 1163845152. Its totient is φ = 290754240.

The previous prime is 678668093. The next prime is 678668113. The reversal of 678668102 is 201866876.

678668102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42602 + ... + 56322.

It is an arithmetic number, because the mean of its divisors is an integer number (72740322).

Almost surely, 2^678668102 is an apocalyptic number.

678668102 is a deficient number, since it is larger than the sum of its proper divisors (485177050).

678668102 is a wasteful number, since it uses less digits than its factorization.

678668102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17263.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 678668102 is about 26051.2591250404. The cubic root of 678668102 is about 878.7914289192.

The spelling of 678668102 in words is "six hundred seventy-eight million, six hundred sixty-eight thousand, one hundred two".