478893558 has 48 divisors (see below), whose sum is σ = 1133779248. Its totient is φ = 133953600.

The previous prime is 478893551. The next prime is 478893563. The reversal of 478893558 is 855398874.

It is a happy number.

It is a super-5 number, since 5×478893558⁵ (a number of 45 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478893498 and 478893507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478893551) 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 23 ways as a sum of consecutive naturals, for example, 15933 + ... + 34808.

It is an arithmetic number, because the mean of its divisors is an integer number (23620401).

Almost surely, 2^478893558 is an apocalyptic number.

478893558 is an abundant number, since it is smaller than the sum of its proper divisors (654885690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478893558 is a wasteful number, since it uses less digits than its factorization.

478893558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50781 (or 50770 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 57.

The square root of 478893558 is about 21883.6367635729. The cubic root of 478893558 is about 782.3714578907.

It can be divided in two parts, 4788 and 93558, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 478893558 in words is "four hundred seventy-eight million, eight hundred ninety-three thousand, five hundred fifty-eight".