478147366672 has 10 divisors (see below), whose sum is σ = 926410522958. Its totient is φ = 239073683328.

The previous prime is 478147366667. The next prime is 478147366673. The reversal of 478147366672 is 276663741874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 436439924496 + 41707442176 = 660636^2 + 204224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 478147366672.

It is not an unprimeable number, because it can be changed into a prime (478147366673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14942105193 + ... + 14942105224.

Almost surely, 2^478147366672 is an apocalyptic number.

It is an amenable number.

478147366672 is a deficient number, since it is larger than the sum of its proper divisors (448263156286).

478147366672 is a wasteful number, since it uses less digits than its factorization.

478147366672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29884210425 (or 29884210419 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 61.

The spelling of 478147366672 in words is "four hundred seventy-eight billion, one hundred forty-seven million, three hundred sixty-six thousand, six hundred seventy-two".