478147366668 has 24 divisors (see below), whose sum is σ = 1123820821872. Its totient is φ = 158219079424.

The previous prime is 478147366667. The next prime is 478147366673. The reversal of 478147366668 is 866663741874.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 478147366599 and 478147366608.

It is not an unprimeable number, because it can be changed into a prime (478147366667) by changing a digit.

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, 145420305 + ... + 145423592.

It is an arithmetic number, because the mean of its divisors is an integer number (46825867578).

Almost surely, 2^478147366668 is an apocalyptic number.

It is an amenable number.

478147366668 is an abundant number, since it is smaller than the sum of its proper divisors (645673455204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478147366668 is a wasteful number, since it uses less digits than its factorization.

478147366668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290844041 (or 290844039 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 478147366668 in words is "four hundred seventy-eight billion, one hundred forty-seven million, three hundred sixty-six thousand, six hundred sixty-eight".