478861648670 has 16 divisors (see below), whose sum is σ = 876560307120. Its totient is φ = 188298139584.

The previous prime is 478861648649. The next prime is 478861648721. The reversal of 478861648670 is 76846168874.

It is a junction number, because it is equal to n+sod(n) for n = 478861648597 and 478861648606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405814367 + ... + 405815546.

It is an arithmetic number, because the mean of its divisors is an integer number (54785019195).

Almost surely, 2^478861648670 is an apocalyptic number.

478861648670 is a deficient number, since it is larger than the sum of its proper divisors (397698658450).

478861648670 is a wasteful number, since it uses less digits than its factorization.

478861648670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811629979.

The product of its (nonzero) digits is 86704128, while the sum is 65.

The spelling of 478861648670 in words is "four hundred seventy-eight billion, eight hundred sixty-one million, six hundred forty-eight thousand, six hundred seventy".