678304851 has 16 divisors (see below), whose sum is σ = 1049036544. Its totient is φ = 381816864.

The previous prime is 678304817. The next prime is 678304853. The reversal of 678304851 is 158403876.

It is not a de Polignac number, because 678304851 - 2⁶ = 678304787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678304853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239640 + ... + 242453.

It is an arithmetic number, because the mean of its divisors is an integer number (65564784).

Almost surely, 2^678304851 is an apocalyptic number.

678304851 is a deficient number, since it is larger than the sum of its proper divisors (370731693).

678304851 is a wasteful number, since it uses less digits than its factorization.

678304851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482170.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 678304851 is about 26044.2863407696. The cubic root of 678304851 is about 878.6346125338.

The spelling of 678304851 in words is "six hundred seventy-eight million, three hundred four thousand, eight hundred fifty-one".