478624463 has 2 divisors, whose sum is σ = 478624464. Its totient is φ = 478624462.

The previous prime is 478624441. The next prime is 478624493. The reversal of 478624463 is 364426874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478624463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478624493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239312231 + 239312232.

It is an arithmetic number, because the mean of its divisors is an integer number (239312232).

Almost surely, 2^478624463 is an apocalyptic number.

478624463 is a deficient number, since it is larger than the sum of its proper divisors (1).

478624463 is an equidigital number, since it uses as much as digits as its factorization.

478624463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 44.

The square root of 478624463 is about 21877.4875842726. The cubic root of 478624463 is about 782.2248896957.

It can be divided in two parts, 47862 and 4463, that added together give a palindrome (52325).

The spelling of 478624463 in words is "four hundred seventy-eight million, six hundred twenty-four thousand, four hundred sixty-three".