478051207 has 2 divisors, whose sum is σ = 478051208. Its totient is φ = 478051206.

The previous prime is 478051181. The next prime is 478051243. The reversal of 478051207 is 702150874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478051207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478051907) 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, 239025603 + 239025604.

It is an arithmetic number, because the mean of its divisors is an integer number (239025604).

Almost surely, 2^478051207 is an apocalyptic number.

478051207 is a deficient number, since it is larger than the sum of its proper divisors (1).

478051207 is an equidigital number, since it uses as much as digits as its factorization.

478051207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 478051207 is about 21864.3821545453. The cubic root of 478051207 is about 781.9124706073.

The spelling of 478051207 in words is "four hundred seventy-eight million, fifty-one thousand, two hundred seven".