478991347347 has 16 divisors (see below), whose sum is σ = 672317600000. Its totient is φ = 302498781984.

The previous prime is 478991347313. The next prime is 478991347433. The reversal of 478991347347 is 743743199874.

It is a happy number.

It is not a de Polignac number, because 478991347347 - 2⁸ = 478991347091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478991397347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500154 + ... + 1099152.

It is an arithmetic number, because the mean of its divisors is an integer number (42019850000).

Almost surely, 2^478991347347 is an apocalyptic number.

478991347347 is a deficient number, since it is larger than the sum of its proper divisors (193326252653).

478991347347 is a wasteful number, since it uses less digits than its factorization.

478991347347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613050.

The product of its digits is 128024064, while the sum is 66.

The spelling of 478991347347 in words is "four hundred seventy-eight billion, nine hundred ninety-one million, three hundred forty-seven thousand, three hundred forty-seven".