478523845 has 8 divisors (see below), whose sum is σ = 574601760. Its totient is φ = 382570320.

The previous prime is 478523819. The next prime is 478523861. The reversal of 478523845 is 548325874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478523845 - 2⁹ = 478523333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478523795 and 478523804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22411 + ... + 38200.

It is an arithmetic number, because the mean of its divisors is an integer number (71825220).

Almost surely, 2^478523845 is an apocalyptic number.

It is an amenable number.

478523845 is a deficient number, since it is larger than the sum of its proper divisors (96077915).

478523845 is a wasteful number, since it uses less digits than its factorization.

478523845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62195.

The product of its digits is 1075200, while the sum is 46.

The square root of 478523845 is about 21875.1878849074. The cubic root of 478523845 is about 782.1700718960.

The spelling of 478523845 in words is "four hundred seventy-eight million, five hundred twenty-three thousand, eight hundred forty-five".