478348034647 has 4 divisors (see below), whose sum is σ = 546683468176. Its totient is φ = 410012601120.

The previous prime is 478348034641. The next prime is 478348034683. The reversal of 478348034647 is 746430843874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478348034647 - 2¹⁹ = 478347510359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478348034591 and 478348034600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478348034641) 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, 34167716754 + ... + 34167716767.

It is an arithmetic number, because the mean of its divisors is an integer number (136670867044).

Almost surely, 2^478348034647 is an apocalyptic number.

478348034647 is a deficient number, since it is larger than the sum of its proper divisors (68335433529).

478348034647 is an equidigital number, since it uses as much as digits as its factorization.

478348034647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68335433528.

The product of its (nonzero) digits is 43352064, while the sum is 58.

The spelling of 478348034647 in words is "four hundred seventy-eight billion, three hundred forty-eight million, thirty-four thousand, six hundred forty-seven".