478618683964 has 12 divisors (see below), whose sum is σ = 837608310000. Its totient is φ = 239302023968.

The previous prime is 478618683953. The next prime is 478618684067. The reversal of 478618683964 is 469386816874.

It is a junction number, because it is equal to n+sod(n) for n = 478618683893 and 478618683902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681009 + ... + 1945000.

It is an arithmetic number, because the mean of its divisors is an integer number (69800692500).

Almost surely, 2^478618683964 is an apocalyptic number.

It is an amenable number.

478618683964 is a deficient number, since it is larger than the sum of its proper divisors (358989626036).

478618683964 is a wasteful number, since it uses less digits than its factorization.

478618683964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659012 (or 3659010 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 70.

The spelling of 478618683964 in words is "four hundred seventy-eight billion, six hundred eighteen million, six hundred eighty-three thousand, nine hundred sixty-four".