678132851 has 8 divisors (see below), whose sum is σ = 771945984. Its totient is φ = 589680520.

The previous prime is 678132821. The next prime is 678132853. The reversal of 678132851 is 158231876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 678132851 - 2⁶ = 678132787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678132799 and 678132808.

It is not an unprimeable number, because it can be changed into a prime (678132853) 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, 1339931 + ... + 1340436.

It is an arithmetic number, because the mean of its divisors is an integer number (96493248).

Almost surely, 2^678132851 is an apocalyptic number.

678132851 is a deficient number, since it is larger than the sum of its proper divisors (93813133).

678132851 is a wasteful number, since it uses less digits than its factorization.

678132851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680401.

The product of its digits is 80640, while the sum is 41.

The square root of 678132851 is about 26040.9840635872. The cubic root of 678132851 is about 878.5603401627.

The spelling of 678132851 in words is "six hundred seventy-eight million, one hundred thirty-two thousand, eight hundred fifty-one".