478711853 has 4 divisors (see below), whose sum is σ = 479290140. Its totient is φ = 478133568.

The previous prime is 478711843. The next prime is 478711861. The reversal of 478711853 is 358117874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358117874 = 2 ⋅179058937.

It can be written as a sum of positive squares in 2 ways, for example, as 365459689 + 113252164 = 19117^2 + 10642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478711853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478711843) 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 3 ways as a sum of consecutive naturals, for example, 287900 + ... + 289557.

It is an arithmetic number, because the mean of its divisors is an integer number (119822535).

Almost surely, 2^478711853 is an apocalyptic number.

It is an amenable number.

478711853 is a deficient number, since it is larger than the sum of its proper divisors (578287).

478711853 is an equidigital number, since it uses as much as digits as its factorization.

478711853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578286.

The product of its digits is 188160, while the sum is 44.

The square root of 478711853 is about 21879.4847517029. The cubic root of 478711853 is about 782.2724945010.

The spelling of 478711853 in words is "four hundred seventy-eight million, seven hundred eleven thousand, eight hundred fifty-three".