478454453 has 4 divisors (see below), whose sum is σ = 478517280. Its totient is φ = 478391628.

The previous prime is 478454411. The next prime is 478454489. The reversal of 478454453 is 354454874.

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 a cyclic number.

It is not a de Polignac number, because 478454453 - 2¹⁶ = 478388917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478454153) 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, 18113 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (119629320).

Almost surely, 2^478454453 is an apocalyptic number.

It is an amenable number.

478454453 is a deficient number, since it is larger than the sum of its proper divisors (62827).

478454453 is an equidigital number, since it uses as much as digits as its factorization.

478454453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62826.

The product of its digits is 1075200, while the sum is 44.

The square root of 478454453 is about 21873.6017381683. The cubic root of 478454453 is about 782.1322618892.

The spelling of 478454453 in words is "four hundred seventy-eight million, four hundred fifty-four thousand, four hundred fifty-three".