478413961 has 4 divisors (see below), whose sum is σ = 499214592. Its totient is φ = 457613332.

The previous prime is 478413937. The next prime is 478413989. The reversal of 478413961 is 169314874.

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 478413961 - 2¹⁵ = 478381193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478413931) 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, 10400281 + ... + 10400326.

It is an arithmetic number, because the mean of its divisors is an integer number (124803648).

Almost surely, 2^478413961 is an apocalyptic number.

It is an amenable number.

478413961 is a deficient number, since it is larger than the sum of its proper divisors (20800631).

478413961 is a wasteful number, since it uses less digits than its factorization.

478413961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800630.

The product of its digits is 145152, while the sum is 43.

The square root of 478413961 is about 21872.6761279913. The cubic root of 478413961 is about 782.1101970979.

The spelling of 478413961 in words is "four hundred seventy-eight million, four hundred thirteen thousand, nine hundred sixty-one".