478462617 has 24 divisors (see below), whose sum is σ = 728457600. Its totient is φ = 301783968.

The previous prime is 478462613. The next prime is 478462627. The reversal of 478462617 is 716264874.

478462617 is a `hidden beast` number, since 4 + 7 + 8 + 4 + 626 + 17 = 666.

It is not a de Polignac number, because 478462617 - 2² = 478462613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478462613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176323 + ... + 179015.

It is an arithmetic number, because the mean of its divisors is an integer number (30352400).

Almost surely, 2^478462617 is an apocalyptic number.

It is an amenable number.

478462617 is a deficient number, since it is larger than the sum of its proper divisors (249994983).

478462617 is a wasteful number, since it uses less digits than its factorization.

478462617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757 (or 3754 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 478462617 is about 21873.7883550152. The cubic root of 478462617 is about 782.1367104433.

The spelling of 478462617 in words is "four hundred seventy-eight million, four hundred sixty-two thousand, six hundred seventeen".