478304271 has 20 divisors (see below), whose sum is σ = 752111800. Its totient is φ = 302085936.

The previous prime is 478304269. The next prime is 478304273. The reversal of 478304271 is 172403874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (478304269) and next prime (478304273).

It is not a de Polignac number, because 478304271 - 2¹ = 478304269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478304273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 153856 + ... + 156933.

It is an arithmetic number, because the mean of its divisors is an integer number (37605590).

Almost surely, 2^478304271 is an apocalyptic number.

478304271 is a deficient number, since it is larger than the sum of its proper divisors (273807529).

478304271 is a wasteful number, since it uses less digits than its factorization.

478304271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310820 (or 310811 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 478304271 is about 21870.1685178693. The cubic root of 478304271 is about 782.0504188640.

The spelling of 478304271 in words is "four hundred seventy-eight million, three hundred four thousand, two hundred seventy-one".