478302763 has 2 divisors, whose sum is σ = 478302764. Its totient is φ = 478302762.

The previous prime is 478302707. The next prime is 478302767. The reversal of 478302763 is 367203874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478302763 is a prime.

It is not a weakly prime, because it can be changed into another prime (478302767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239151381 + 239151382.

It is an arithmetic number, because the mean of its divisors is an integer number (239151382).

Almost surely, 2^478302763 is an apocalyptic number.

478302763 is a deficient number, since it is larger than the sum of its proper divisors (1).

478302763 is an equidigital number, since it uses as much as digits as its factorization.

478302763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 478302763 is about 21870.1340416560. The cubic root of 478302763 is about 782.0495969790.

The spelling of 478302763 in words is "four hundred seventy-eight million, three hundred two thousand, seven hundred sixty-three".