478254845 has 8 divisors (see below), whose sum is σ = 586116864. Its totient is φ = 374463184.

The previous prime is 478254841. The next prime is 478254869. The reversal of 478254845 is 548452874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478254845 - 2² = 478254841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478254845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478254841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017329 + ... + 1017798.

It is an arithmetic number, because the mean of its divisors is an integer number (73264608).

Almost surely, 2^478254845 is an apocalyptic number.

It is an amenable number.

478254845 is a deficient number, since it is larger than the sum of its proper divisors (107862019).

478254845 is a wasteful number, since it uses less digits than its factorization.

478254845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035179.

The product of its digits is 1433600, while the sum is 47.

The square root of 478254845 is about 21869.0385019552. The cubic root of 478254845 is about 782.0234799760.

The spelling of 478254845 in words is "four hundred seventy-eight million, two hundred fifty-four thousand, eight hundred forty-five".