478688853 has 4 divisors (see below), whose sum is σ = 638251808. Its totient is φ = 319125900.

The previous prime is 478688851. The next prime is 478688863. The reversal of 478688853 is 358886874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 478688853 - 2¹ = 478688851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478688793 and 478688802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478688851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79781473 + ... + 79781478.

It is an arithmetic number, because the mean of its divisors is an integer number (159562952).

Almost surely, 2^478688853 is an apocalyptic number.

It is an amenable number.

478688853 is a deficient number, since it is larger than the sum of its proper divisors (159562955).

478688853 is a wasteful number, since it uses less digits than its factorization.

478688853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159562954.

The product of its digits is 10321920, while the sum is 57.

The square root of 478688853 is about 21878.9591388622. The cubic root of 478688853 is about 782.2599660489.

It can be divided in two parts, 4786 and 88853, that added together give a palindrome (93639).

The spelling of 478688853 in words is "four hundred seventy-eight million, six hundred eighty-eight thousand, eight hundred fifty-three".