678934130 has 32 divisors (see below), whose sum is σ = 1400716800. Its totient is φ = 232102080.

The previous prime is 678934103. The next prime is 678934141. The reversal of 678934130 is 31439876.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10535 + ... + 38325.

It is an arithmetic number, because the mean of its divisors is an integer number (43772400).

Almost surely, 2^678934130 is an apocalyptic number.

678934130 is an abundant number, since it is smaller than the sum of its proper divisors (721782670).

678934130 is a wasteful number, since it uses less digits than its factorization.

678934130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28154.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 678934130 is about 26056.3644816386. The cubic root of 678934130 is about 878.9062383946.

The spelling of 678934130 in words is "six hundred seventy-eight million, nine hundred thirty-four thousand, one hundred thirty".