478415671345 has 8 divisors (see below), whose sum is σ = 574506265320. Its totient is φ = 382460897280.

The previous prime is 478415671343. The next prime is 478415671361. The reversal of 478415671345 is 543176514874.

It can be written as a sum of positive squares in 4 ways, for example, as 10247715361 + 468167955984 = 101231^2 + 684228^2 .

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

It is not a de Polignac number, because 478415671345 - 2¹ = 478415671343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478415671343) 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, 33947226 + ... + 33961315.

It is an arithmetic number, because the mean of its divisors is an integer number (71813283165).

Almost surely, 2^478415671345 is an apocalyptic number.

It is an amenable number.

478415671345 is a deficient number, since it is larger than the sum of its proper divisors (96090593975).

478415671345 is a wasteful number, since it uses less digits than its factorization.

478415671345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67909955.

The product of its digits is 11289600, while the sum is 55.

The spelling of 478415671345 in words is "four hundred seventy-eight billion, four hundred fifteen million, six hundred seventy-one thousand, three hundred forty-five".