478082417 has 2 divisors, whose sum is σ = 478082418. Its totient is φ = 478082416.

The previous prime is 478082413. The next prime is 478082447. The reversal of 478082417 is 714280874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289816576 + 188265841 = 17024^2 + 13721^2 .

It is a cyclic number.

It is not a de Polignac number, because 478082417 - 2² = 478082413 is a prime.

It is not a weakly prime, because it can be changed into another prime (478082413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239041208 + 239041209.

It is an arithmetic number, because the mean of its divisors is an integer number (239041209).

Almost surely, 2^478082417 is an apocalyptic number.

It is an amenable number.

478082417 is a deficient number, since it is larger than the sum of its proper divisors (1).

478082417 is an equidigital number, since it uses as much as digits as its factorization.

478082417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 478082417 is about 21865.0958607549. The cubic root of 478082417 is about 781.9294861884.

The spelling of 478082417 in words is "four hundred seventy-eight million, eighty-two thousand, four hundred seventeen".