678774301 has 2 divisors, whose sum is σ = 678774302. Its totient is φ = 678774300.

The previous prime is 678774289. The next prime is 678774359. The reversal of 678774301 is 103477876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660541401 + 18232900 = 25701^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 678774301 - 2⁹ = 678773789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678774001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339387150 + 339387151.

It is an arithmetic number, because the mean of its divisors is an integer number (339387151).

Almost surely, 2^678774301 is an apocalyptic number.

It is an amenable number.

678774301 is a deficient number, since it is larger than the sum of its proper divisors (1).

678774301 is an equidigital number, since it uses as much as digits as its factorization.

678774301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 678774301 is about 26053.2973153112. The cubic root of 678774301 is about 878.8372647276.

The spelling of 678774301 in words is "six hundred seventy-eight million, seven hundred seventy-four thousand, three hundred one".