478886503 has 2 divisors, whose sum is σ = 478886504. Its totient is φ = 478886502.

The previous prime is 478886501. The next prime is 478886509. The reversal of 478886503 is 305688874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478886503 - 2¹ = 478886501 is a prime.

Together with 478886501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478886501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239443251 + 239443252.

It is an arithmetic number, because the mean of its divisors is an integer number (239443252).

Almost surely, 2^478886503 is an apocalyptic number.

478886503 is a deficient number, since it is larger than the sum of its proper divisors (1).

478886503 is an equidigital number, since it uses as much as digits as its factorization.

478886503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 478886503 is about 21883.4755694794. The cubic root of 478886503 is about 782.3676159390.

The spelling of 478886503 in words is "four hundred seventy-eight million, eight hundred eighty-six thousand, five hundred three".