478353853 has 4 divisors (see below), whose sum is σ = 478402848. Its totient is φ = 478304860.

The previous prime is 478353809. The next prime is 478353857. The reversal of 478353853 is 358353874.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478353853 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 (478353857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4303 + ... + 31228.

It is an arithmetic number, because the mean of its divisors is an integer number (119600712).

Almost surely, 2^478353853 is an apocalyptic number.

It is an amenable number.

478353853 is a deficient number, since it is larger than the sum of its proper divisors (48995).

478353853 is a wasteful number, since it uses less digits than its factorization.

478353853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48994.

The product of its digits is 1209600, while the sum is 46.

The square root of 478353853 is about 21871.3020417167. The cubic root of 478353853 is about 782.0774409128.

The spelling of 478353853 in words is "four hundred seventy-eight million, three hundred fifty-three thousand, eight hundred fifty-three".