478523851 has 8 divisors (see below), whose sum is σ = 517158320. Its totient is φ = 440150112.

The previous prime is 478523819. The next prime is 478523861. The reversal of 478523851 is 158325874.

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

It is a cyclic number.

It is not a de Polignac number, because 478523851 - 2⁵ = 478523819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478523798 and 478523807.

It is not an unprimeable number, because it can be changed into a prime (478523861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61356 + ... + 68713.

It is an arithmetic number, because the mean of its divisors is an integer number (64644790).

Almost surely, 2^478523851 is an apocalyptic number.

478523851 is a deficient number, since it is larger than the sum of its proper divisors (38634469).

478523851 is a wasteful number, since it uses less digits than its factorization.

478523851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130365.

The product of its digits is 268800, while the sum is 43.

The square root of 478523851 is about 21875.1880220491. The cubic root of 478523851 is about 782.1700751651.

The spelling of 478523851 in words is "four hundred seventy-eight million, five hundred twenty-three thousand, eight hundred fifty-one".