478039319 has 2 divisors, whose sum is σ = 478039320. Its totient is φ = 478039318.

The previous prime is 478039301. The next prime is 478039321. The reversal of 478039319 is 913930874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478039319 is a prime.

It is a super-2 number, since 2×478039319² = 457043181019967522, which contains 22 as substring.

Together with 478039321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478039319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478039399) 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 as a sum of consecutive naturals, namely, 239019659 + 239019660.

It is an arithmetic number, because the mean of its divisors is an integer number (239019660).

Almost surely, 2^478039319 is an apocalyptic number.

478039319 is a deficient number, since it is larger than the sum of its proper divisors (1).

478039319 is an equidigital number, since it uses as much as digits as its factorization.

478039319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 478039319 is about 21864.1102951847. The cubic root of 478039319 is about 781.9059891172.

The spelling of 478039319 in words is "four hundred seventy-eight million, thirty-nine thousand, three hundred nineteen".