478679 has 2 divisors, whose sum is σ = 478680. Its totient is φ = 478678.

The previous prime is 478651. The next prime is 478697. The reversal of 478679 is 976874.

Together with next prime (478697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478679 - 2¹² = 474583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478579) 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 as a sum of consecutive naturals, namely, 239339 + 239340.

It is an arithmetic number, because the mean of its divisors is an integer number (239340).

2⁴⁷⁸⁶⁷⁹ is an apocalyptic number.

478679 is a deficient number, since it is larger than the sum of its proper divisors (1).

478679 is an equidigital number, since it uses as much as digits as its factorization.

478679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 478679 is about 691.8663165670. The cubic root of 478679 is about 78.2254598846.

The spelling of 478679 in words is "four hundred seventy-eight thousand, six hundred seventy-nine".