478469727 has 8 divisors (see below), whose sum is σ = 708844080. Its totient is φ = 318979800.

The previous prime is 478469683. The next prime is 478469731. The reversal of 478469727 is 727964874.

It is not a de Polignac number, because 478469727 - 2⁷ = 478469599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478469737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8860524 + ... + 8860577.

It is an arithmetic number, because the mean of its divisors is an integer number (88605510).

Almost surely, 2^478469727 is an apocalyptic number.

478469727 is a deficient number, since it is larger than the sum of its proper divisors (230374353).

478469727 is a wasteful number, since it uses less digits than its factorization.

478469727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721110 (or 17721104 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 478469727 is about 21873.9508776993. The cubic root of 478469727 is about 782.1405846327.

The spelling of 478469727 in words is "four hundred seventy-eight million, four hundred sixty-nine thousand, seven hundred twenty-seven".