478304371 has 2 divisors, whose sum is σ = 478304372. Its totient is φ = 478304370.

The previous prime is 478304341. The next prime is 478304413. The reversal of 478304371 is 173403874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478304371 - 2¹¹ = 478302323 is a prime.

It is equal to p_25271479 and since 478304371 and 25271479 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478304371.

It is not a weakly prime, because it can be changed into another prime (478304341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239152185 + 239152186.

It is an arithmetic number, because the mean of its divisors is an integer number (239152186).

Almost surely, 2^478304371 is an apocalyptic number.

478304371 is a deficient number, since it is larger than the sum of its proper divisors (1).

478304371 is an equidigital number, since it uses as much as digits as its factorization.

478304371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 478304371 is about 21870.1708040884. The cubic root of 478304371 is about 782.0504733656.

The spelling of 478304371 in words is "four hundred seventy-eight million, three hundred four thousand, three hundred seventy-one".