478315273 has 8 divisors (see below), whose sum is σ = 489735488. Its totient is φ = 466908624.

The previous prime is 478315259. The next prime is 478315283. The reversal of 478315273 is 372513874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478315273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478315223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122215 + ... + 126067.

It is an arithmetic number, because the mean of its divisors is an integer number (61216936).

Almost surely, 2^478315273 is an apocalyptic number.

478315273 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

478315273 is a deficient number, since it is larger than the sum of its proper divisors (11420215).

478315273 is a wasteful number, since it uses less digits than its factorization.

478315273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783.

The product of its digits is 141120, while the sum is 40.

The square root of 478315273 is about 21870.4200462634. The cubic root of 478315273 is about 782.0564150839.

The spelling of 478315273 in words is "four hundred seventy-eight million, three hundred fifteen thousand, two hundred seventy-three".