47817103648447 has 8 divisors (see below), whose sum is σ = 54651340198016. Its totient is φ = 40983672534552.

The previous prime is 47817103648441. The next prime is 47817103648481. The reversal of 47817103648447 is 74484630171874.

It is a happy number.

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-47817103648447 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 (47817103648441) 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, 201231693 + ... + 201469174.

It is an arithmetic number, because the mean of its divisors is an integer number (6831417524752).

Almost surely, 2^{47817103648447} is an apocalyptic number.

47817103648447 is a deficient number, since it is larger than the sum of its proper divisors (6834236549569).

47817103648447 is a wasteful number, since it uses less digits than its factorization.

47817103648447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402717837.

The product of its (nonzero) digits is 101154816, while the sum is 64.

The spelling of 47817103648447 in words is "forty-seven trillion, eight hundred seventeen billion, one hundred three million, six hundred forty-eight thousand, four hundred forty-seven".