478487055 has 32 divisors (see below), whose sum is σ = 801054720. Its totient is φ = 243429120.

The previous prime is 478487017. The next prime is 478487057. The reversal of 478487055 is 550784874.

It is not a de Polignac number, because 478487055 - 2⁷ = 478486927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478486995 and 478487013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478487057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139410 + ... + 142800.

It is an arithmetic number, because the mean of its divisors is an integer number (25032960).

Almost surely, 2^478487055 is an apocalyptic number.

478487055 is a deficient number, since it is larger than the sum of its proper divisors (322567665).

478487055 is a wasteful number, since it uses less digits than its factorization.

478487055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 478487055 is about 21874.3469616809. The cubic root of 478487055 is about 782.1500263784.

The spelling of 478487055 in words is "four hundred seventy-eight million, four hundred eighty-seven thousand, fifty-five".