478016973 has 24 divisors (see below), whose sum is σ = 790881728. Its totient is φ = 272538432.

The previous prime is 478016971. The next prime is 478016989. The reversal of 478016973 is 379610874.

It is not a de Polignac number, because 478016973 - 2¹ = 478016971 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478016971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20490 + ... + 37092.

Almost surely, 2^478016973 is an apocalyptic number.

It is an amenable number.

478016973 is a deficient number, since it is larger than the sum of its proper divisors (312864755).

478016973 is a wasteful number, since it uses less digits than its factorization.

478016973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17073 (or 17070 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 478016973 is about 21863.5992691048. The cubic root of 478016973 is about 781.8938055005.

The spelling of 478016973 in words is "four hundred seventy-eight million, sixteen thousand, nine hundred seventy-three".