478751085 has 12 divisors (see below), whose sum is σ = 829835292. Its totient is φ = 255333888.

The previous prime is 478751069. The next prime is 478751089. The reversal of 478751085 is 580157874.

It is a happy number.

478751085 is a `hidden beast` number, since 478 + 75 + 108 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 327682404 + 151068681 = 18102^2 + 12291^2 .

It is not a de Polignac number, because 478751085 - 2⁴ = 478751069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10638913 = 478751085 / (4 + 7 + 8 + 7 + 5 + 1 + 0 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 478751085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478751089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5319412 + ... + 5319501.

It is an arithmetic number, because the mean of its divisors is an integer number (69152941).

Almost surely, 2^478751085 is an apocalyptic number.

478751085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478751085 is a deficient number, since it is larger than the sum of its proper divisors (351084207).

478751085 is a wasteful number, since it uses less digits than its factorization.

478751085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638924 (or 10638921 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 478751085 is about 21880.3812809558. The cubic root of 478751085 is about 782.2938638459.

The spelling of 478751085 in words is "four hundred seventy-eight million, seven hundred fifty-one thousand, eighty-five".