578668399 has 2 divisors, whose sum is σ = 578668400. Its totient is φ = 578668398.

The previous prime is 578668397. The next prime is 578668411. The reversal of 578668399 is 993866875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 578668399 - 2¹ = 578668397 is a prime.

Together with 578668397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578668393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289334199 + 289334200.

It is an arithmetic number, because the mean of its divisors is an integer number (289334200).

Almost surely, 2^578668399 is an apocalyptic number.

578668399 is a deficient number, since it is larger than the sum of its proper divisors (1).

578668399 is an equidigital number, since it uses as much as digits as its factorization.

578668399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 61.

The square root of 578668399 is about 24055.5274105558. The cubic root of 578668399 is about 833.3163867309.

The spelling of 578668399 in words is "five hundred seventy-eight million, six hundred sixty-eight thousand, three hundred ninety-nine".