478911995792 has 10 divisors (see below), whose sum is σ = 927891991878. Its totient is φ = 239455997888.

The previous prime is 478911995791. The next prime is 478911995813. The reversal of 478911995792 is 297599119874.

It can be written as a sum of positive squares in only one way, i.e., 260116320256 + 218795675536 = 510016^2 + 467756^2 .

It is not an unprimeable number, because it can be changed into a prime (478911995791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14965999853 + ... + 14965999884.

Almost surely, 2^478911995792 is an apocalyptic number.

It is an amenable number.

478911995792 is a deficient number, since it is larger than the sum of its proper divisors (448979996086).

478911995792 is a wasteful number, since it uses less digits than its factorization.

478911995792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29931999745 (or 29931999739 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 71.

The spelling of 478911995792 in words is "four hundred seventy-eight billion, nine hundred eleven million, nine hundred ninety-five thousand, seven hundred ninety-two".