678083830 has 32 divisors (see below), whose sum is σ = 1284141600. Its totient is φ = 257460480.

The previous prime is 678083803. The next prime is 678083849. The reversal of 678083830 is 38380876.

It is a congruent number.

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, 7180 + ... + 37519.

It is an arithmetic number, because the mean of its divisors is an integer number (40129425).

Almost surely, 2^678083830 is an apocalyptic number.

678083830 is a deficient number, since it is larger than the sum of its proper divisors (606057770).

678083830 is a wasteful number, since it uses less digits than its factorization.

678083830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44784.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 678083830 is about 26040.0428187052. The cubic root of 678083830 is about 878.5391698054.

The spelling of 678083830 in words is "six hundred seventy-eight million, eighty-three thousand, eight hundred thirty".