478354641 has 4 divisors (see below), whose sum is σ = 637806192. Its totient is φ = 318903092.

The previous prime is 478354609. The next prime is 478354649. The reversal of 478354641 is 146453874.

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 478354641 - 2⁵ = 478354609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478354593 and 478354602.

It is not an unprimeable number, because it can be changed into a prime (478354649) 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, 79725771 + ... + 79725776.

It is an arithmetic number, because the mean of its divisors is an integer number (159451548).

Almost surely, 2^478354641 is an apocalyptic number.

It is an amenable number.

478354641 is a deficient number, since it is larger than the sum of its proper divisors (159451551).

478354641 is a wasteful number, since it uses less digits than its factorization.

478354641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159451550.

The product of its digits is 322560, while the sum is 42.

The square root of 478354641 is about 21871.3200561832. The cubic root of 478354641 is about 782.0778703555.

The spelling of 478354641 in words is "four hundred seventy-eight million, three hundred fifty-four thousand, six hundred forty-one".