678333055 has 16 divisors (see below), whose sum is σ = 846378720. Its totient is φ = 521272192.

The previous prime is 678333053. The next prime is 678333067. The reversal of 678333055 is 550333876.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 678333055 - 2¹ = 678333053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 678332999 and 678333017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678333053) 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 15 ways as a sum of consecutive naturals, for example, 16692 + ... + 40438.

It is an arithmetic number, because the mean of its divisors is an integer number (52898670).

Almost surely, 2^678333055 is an apocalyptic number.

678333055 is a deficient number, since it is larger than the sum of its proper divisors (168045665).

678333055 is a wasteful number, since it uses less digits than its factorization.

678333055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 678333055 is about 26044.8277974726. The cubic root of 678333055 is about 878.6467902771.

The spelling of 678333055 in words is "six hundred seventy-eight million, three hundred thirty-three thousand, fifty-five".