478363680658 has 16 divisors (see below), whose sum is σ = 720568823040. Its totient is φ = 238174200000.

The previous prime is 478363680643. The next prime is 478363680671. The reversal of 478363680658 is 856086363874.

It is a self number, because there is not a number n which added to its sum of digits gives 478363680658.

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, 13840723 + ... + 13875241.

It is an arithmetic number, because the mean of its divisors is an integer number (45035551440).

Almost surely, 2^478363680658 is an apocalyptic number.

478363680658 is a deficient number, since it is larger than the sum of its proper divisors (242205142382).

478363680658 is a wasteful number, since it uses less digits than its factorization.

478363680658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63513.

The product of its (nonzero) digits is 139345920, while the sum is 64.

The spelling of 478363680658 in words is "four hundred seventy-eight billion, three hundred sixty-three million, six hundred eighty thousand, six hundred fifty-eight".