478911113 has 2 divisors, whose sum is σ = 478911114. Its totient is φ = 478911112.

The previous prime is 478911101. The next prime is 478911143. The reversal of 478911113 is 311119874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416690569 + 62220544 = 20413^2 + 7888^2 .

It is a cyclic number.

It is not a de Polignac number, because 478911113 - 2⁸ = 478910857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (478911143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239455556 + 239455557.

It is an arithmetic number, because the mean of its divisors is an integer number (239455557).

Almost surely, 2^478911113 is an apocalyptic number.

It is an amenable number.

478911113 is a deficient number, since it is larger than the sum of its proper divisors (1).

478911113 is an equidigital number, since it uses as much as digits as its factorization.

478911113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 35.

The square root of 478911113 is about 21884.0378586768. The cubic root of 478911113 is about 782.3810176790.

The spelling of 478911113 in words is "four hundred seventy-eight million, nine hundred eleven thousand, one hundred thirteen".