478912831568 has 10 divisors (see below), whose sum is σ = 927893611194. Its totient is φ = 239456415776.

The previous prime is 478912831567. The next prime is 478912831577. The reversal of 478912831568 is 865138219874.

It can be written as a sum of positive squares in only one way, i.e., 460916072464 + 17996759104 = 678908^2 + 134152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 478912831568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478912831567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14966025971 + ... + 14966026002.

Almost surely, 2^478912831568 is an apocalyptic number.

It is an amenable number.

478912831568 is a deficient number, since it is larger than the sum of its proper divisors (448980779626).

478912831568 is a wasteful number, since it uses less digits than its factorization.

478912831568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29932051981 (or 29932051975 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The spelling of 478912831568 in words is "four hundred seventy-eight billion, nine hundred twelve million, eight hundred thirty-one thousand, five hundred sixty-eight".