478968311 has 2 divisors, whose sum is σ = 478968312. Its totient is φ = 478968310.

The previous prime is 478968247. The next prime is 478968331. The reversal of 478968311 is 113869874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478968311 - 2⁶ = 478968247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478968331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239484155 + 239484156.

It is an arithmetic number, because the mean of its divisors is an integer number (239484156).

Almost surely, 2^478968311 is an apocalyptic number.

478968311 is a deficient number, since it is larger than the sum of its proper divisors (1).

478968311 is an equidigital number, since it uses as much as digits as its factorization.

478968311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 478968311 is about 21885.3446625819. The cubic root of 478968311 is about 782.4121639236.

The spelling of 478968311 in words is "four hundred seventy-eight million, nine hundred sixty-eight thousand, three hundred eleven".