478574661 has 8 divisors (see below), whose sum is σ = 641339424. Its totient is φ = 317429840.

The previous prime is 478574651. The next prime is 478574669. The reversal of 478574661 is 166475874.

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

It is a cyclic number.

It is not a de Polignac number, because 478574661 - 2¹⁰ = 478573637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478574661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478574669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404295 + ... + 405476.

It is an arithmetic number, because the mean of its divisors is an integer number (80167428).

Almost surely, 2^478574661 is an apocalyptic number.

It is an amenable number.

478574661 is a deficient number, since it is larger than the sum of its proper divisors (162764763).

478574661 is a wasteful number, since it uses less digits than its factorization.

478574661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809971.

The product of its digits is 1128960, while the sum is 48.

The square root of 478574661 is about 21876.3493526685. The cubic root of 478574661 is about 782.1977579754.

The spelling of 478574661 in words is "four hundred seventy-eight million, five hundred seventy-four thousand, six hundred sixty-one".