478164707 has 2 divisors, whose sum is σ = 478164708. Its totient is φ = 478164706.

The previous prime is 478164689. The next prime is 478164749. The reversal of 478164707 is 707461874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478164707 - 2¹⁰ = 478163683 is a prime.

It is not a weakly prime, because it can be changed into another prime (478164767) 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, 239082353 + 239082354.

It is an arithmetic number, because the mean of its divisors is an integer number (239082354).

Almost surely, 2^478164707 is an apocalyptic number.

478164707 is a deficient number, since it is larger than the sum of its proper divisors (1).

478164707 is an equidigital number, since it uses as much as digits as its factorization.

478164707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 478164707 is about 21866.9775460625. The cubic root of 478164707 is about 781.9743468537.

The spelling of 478164707 in words is "four hundred seventy-eight million, one hundred sixty-four thousand, seven hundred seven".