478144463 has 2 divisors, whose sum is σ = 478144464. Its totient is φ = 478144462.

The previous prime is 478144441. The next prime is 478144483. The reversal of 478144463 is 364441874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478144463 - 2²² = 473950159 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 478144463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478144423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239072231 + 239072232.

It is an arithmetic number, because the mean of its divisors is an integer number (239072232).

Almost surely, 2^478144463 is an apocalyptic number.

478144463 is a deficient number, since it is larger than the sum of its proper divisors (1).

478144463 is an equidigital number, since it uses as much as digits as its factorization.

478144463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 41.

The square root of 478144463 is about 21866.5146514025. The cubic root of 478144463 is about 781.9633112476.

The spelling of 478144463 in words is "four hundred seventy-eight million, one hundred forty-four thousand, four hundred sixty-three".