678704833 has 16 divisors (see below), whose sum is σ = 732758400. Its totient is φ = 626693760.

The previous prime is 678704827. The next prime is 678704869. The reversal of 678704833 is 338407876.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-678704833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678704333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117235 + ... + 122887.

It is an arithmetic number, because the mean of its divisors is an integer number (45797400).

Almost surely, 2^678704833 is an apocalyptic number.

It is an amenable number.

678704833 is a deficient number, since it is larger than the sum of its proper divisors (54053567).

678704833 is a wasteful number, since it uses less digits than its factorization.

678704833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 678704833 is about 26051.9640910239. The cubic root of 678704833 is about 878.8072826703.

The spelling of 678704833 in words is "six hundred seventy-eight million, seven hundred four thousand, eight hundred thirty-three".