678104047 has 8 divisors (see below), whose sum is σ = 684989136. Its totient is φ = 671229312.

The previous prime is 678104029. The next prime is 678104099. The reversal of 678104047 is 740401876.

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

It is a cyclic number.

It is not a de Polignac number, because 678104047 - 2⁷ = 678103919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 678103997 and 678104015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678104017) 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, 237943 + ... + 240775.

It is an arithmetic number, because the mean of its divisors is an integer number (85623642).

Almost surely, 2^678104047 is an apocalyptic number.

678104047 is a deficient number, since it is larger than the sum of its proper divisors (6885089).

678104047 is a wasteful number, since it uses less digits than its factorization.

678104047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 678104047 is about 26040.4310064177. The cubic root of 678104047 is about 878.5479009037.

The spelling of 678104047 in words is "six hundred seventy-eight million, one hundred four thousand, forty-seven".