478319800319 has 2 divisors, whose sum is σ = 478319800320. Its totient is φ = 478319800318.

The previous prime is 478319800303. The next prime is 478319800333. The reversal of 478319800319 is 913008913874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478319800319 - 2⁴ = 478319800303 is a prime.

It is a super-2 number, since 2×478319800319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478319800339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239159900159 + 239159900160.

It is an arithmetic number, because the mean of its divisors is an integer number (239159900160).

Almost surely, 2^478319800319 is an apocalyptic number.

478319800319 is a deficient number, since it is larger than the sum of its proper divisors (1).

478319800319 is an equidigital number, since it uses as much as digits as its factorization.

478319800319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 478319800319 in words is "four hundred seventy-eight billion, three hundred nineteen million, eight hundred thousand, three hundred nineteen".