478630337 has 2 divisors, whose sum is σ = 478630338. Its totient is φ = 478630336.

The previous prime is 478630307. The next prime is 478630403. The reversal of 478630337 is 733036874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361038001 + 117592336 = 19001^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 478630337 - 2¹⁰ = 478629313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478630294 and 478630303.

It is not a weakly prime, because it can be changed into another prime (478630307) 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, 239315168 + 239315169.

It is an arithmetic number, because the mean of its divisors is an integer number (239315169).

Almost surely, 2^478630337 is an apocalyptic number.

It is an amenable number.

478630337 is a deficient number, since it is larger than the sum of its proper divisors (1).

478630337 is an equidigital number, since it uses as much as digits as its factorization.

478630337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 478630337 is about 21877.6218314514. The cubic root of 478630337 is about 782.2280896785.

The spelling of 478630337 in words is "four hundred seventy-eight million, six hundred thirty thousand, three hundred thirty-seven".