478888723 has 2 divisors, whose sum is σ = 478888724. Its totient is φ = 478888722.

The previous prime is 478888703. The next prime is 478888741. The reversal of 478888723 is 327888874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478888723 - 2²⁵ = 445334291 is a prime.

It is not a weakly prime, because it can be changed into another prime (478888703) 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, 239444361 + 239444362.

It is an arithmetic number, because the mean of its divisors is an integer number (239444362).

Almost surely, 2^478888723 is an apocalyptic number.

478888723 is a deficient number, since it is larger than the sum of its proper divisors (1).

478888723 is an equidigital number, since it uses as much as digits as its factorization.

478888723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4816896, while the sum is 55.

The square root of 478888723 is about 21883.5262926248. The cubic root of 478888723 is about 782.3688248917.

The spelling of 478888723 in words is "four hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred twenty-three".