478914697 has 2 divisors, whose sum is σ = 478914698. Its totient is φ = 478914696.

The previous prime is 478914677. The next prime is 478914707. The reversal of 478914697 is 796419874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437813776 + 41100921 = 20924^2 + 6411^2 .

It is a cyclic number.

It is not a de Polignac number, because 478914697 - 2¹⁵ = 478881929 is a prime.

It is not a weakly prime, because it can be changed into another prime (478914677) 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, 239457348 + 239457349.

It is an arithmetic number, because the mean of its divisors is an integer number (239457349).

Almost surely, 2^478914697 is an apocalyptic number.

It is an amenable number.

478914697 is a deficient number, since it is larger than the sum of its proper divisors (1).

478914697 is an equidigital number, since it uses as much as digits as its factorization.

478914697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 478914697 is about 21884.1197446916. The cubic root of 478914697 is about 782.3829693610.

The spelling of 478914697 in words is "four hundred seventy-eight million, nine hundred fourteen thousand, six hundred ninety-seven".