478458513 has 48 divisors (see below), whose sum is σ = 791568960. Its totient is φ = 276048000.

The previous prime is 478458511. The next prime is 478458527. The reversal of 478458513 is 315854874.

478458513 is a `hidden beast` number, since 4 + 7 + 84 + 58 + 513 = 666.

It is not a de Polignac number, because 478458513 - 2¹ = 478458511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478458511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223458 + ... + 225588.

It is an arithmetic number, because the mean of its divisors is an integer number (16491020).

Almost surely, 2^478458513 is an apocalyptic number.

It is an amenable number.

478458513 is a deficient number, since it is larger than the sum of its proper divisors (313110447).

478458513 is a wasteful number, since it uses less digits than its factorization.

478458513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2267 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 478458513 is about 21873.6945439036. The cubic root of 478458513 is about 782.1344741848.

The spelling of 478458513 in words is "four hundred seventy-eight million, four hundred fifty-eight thousand, five hundred thirteen".