478744851 has 8 divisors (see below), whose sum is σ = 687428560. Its totient is φ = 294612192.

The previous prime is 478744831. The next prime is 478744853. The reversal of 478744851 is 158447874.

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

It is not a de Polignac number, because 478744851 - 2⁶ = 478744787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478744851.

It is not an unprimeable number, because it can be changed into a prime (478744853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137716 + ... + 6137793.

It is an arithmetic number, because the mean of its divisors is an integer number (85928570).

Almost surely, 2^478744851 is an apocalyptic number.

478744851 is a deficient number, since it is larger than the sum of its proper divisors (208683709).

478744851 is a wasteful number, since it uses less digits than its factorization.

478744851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12275525.

The product of its digits is 1003520, while the sum is 48.

The square root of 478744851 is about 21880.2388241079. The cubic root of 478744851 is about 782.2904683159.

It can be divided in two parts, 47874 and 4851, that added together give a palindrome (52725).

The spelling of 478744851 in words is "four hundred seventy-eight million, seven hundred forty-four thousand, eight hundred fifty-one".