478848247447 has 8 divisors (see below), whose sum is σ = 479124922752. Its totient is φ = 478571635200.

The previous prime is 478848247321. The next prime is 478848247463. The reversal of 478848247447 is 744742848874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478848247447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478848217447) 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, 28825818 + ... + 28842424.

It is an arithmetic number, because the mean of its divisors is an integer number (59890615344).

Almost surely, 2^478848247447 is an apocalyptic number.

478848247447 is a deficient number, since it is larger than the sum of its proper divisors (276675305).

478848247447 is a wasteful number, since it uses less digits than its factorization.

478848247447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31529.

The product of its digits is 359661568, while the sum is 67.

The spelling of 478848247447 in words is "four hundred seventy-eight billion, eight hundred forty-eight million, two hundred forty-seven thousand, four hundred forty-seven".