478656485 has 8 divisors (see below), whose sum is σ = 574903320. Its totient is φ = 382581504.

The previous prime is 478656467. The next prime is 478656551. The reversal of 478656485 is 584656874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47761921 + 430894564 = 6911^2 + 20758^2 .

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 478656485 - 2⁶ = 478656421 is a prime.

It is a super-2 number, since 2×478656485² = 458224061265110450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36752 + ... + 48041.

It is an arithmetic number, because the mean of its divisors is an integer number (71862915).

Almost surely, 2^478656485 is an apocalyptic number.

It is an amenable number.

478656485 is a deficient number, since it is larger than the sum of its proper divisors (96246835).

478656485 is a wasteful number, since it uses less digits than its factorization.

478656485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85927.

The product of its digits is 6451200, while the sum is 53.

The square root of 478656485 is about 21878.2194202362. The cubic root of 478656485 is about 782.2423340240.

The spelling of 478656485 in words is "four hundred seventy-eight million, six hundred fifty-six thousand, four hundred eighty-five".