478135461 has 8 divisors (see below), whose sum is σ = 637616224. Its totient is φ = 318705840.

The previous prime is 478135451. The next prime is 478135543. The reversal of 478135461 is 164531874.

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

It is not a de Polignac number, because 478135461 - 2⁹ = 478134949 is a prime.

It is a super-2 number, since 2×478135461² = 457227038131365042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478135451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24915 + ... + 39711.

It is an arithmetic number, because the mean of its divisors is an integer number (79702028).

Almost surely, 2^478135461 is an apocalyptic number.

It is an amenable number.

478135461 is a deficient number, since it is larger than the sum of its proper divisors (159480763).

478135461 is a wasteful number, since it uses less digits than its factorization.

478135461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25571.

The product of its digits is 80640, while the sum is 39.

The square root of 478135461 is about 21866.3088105880. The cubic root of 478135461 is about 781.9584038898.

The spelling of 478135461 in words is "four hundred seventy-eight million, one hundred thirty-five thousand, four hundred sixty-one".