47948894278648 has 16 divisors (see below), whose sum is σ = 98077283751960. Its totient is φ = 21794951944800.

The previous prime is 47948894278643. The next prime is 47948894278709. The reversal of 47948894278648 is 84687249884974.

It is a Harshad number since it is a multiple of its sum of digits (88), and also a Moran number because the ratio is a prime number: 544873798621 = 47948894278648 / (4 + 7 + 9 + 4 + 8 + 8 + 9 + 4 + 2 + 7 + 8 + 6 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47948894278643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272436899223 + ... + 272436899398.

Almost surely, 2^{47948894278648} is an apocalyptic number.

It is an amenable number.

47948894278648 is an abundant number, since it is smaller than the sum of its proper divisors (50128389473312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47948894278648 is a wasteful number, since it uses less digits than its factorization.

47948894278648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544873798638 (or 544873798634 counting only the distinct ones).

The product of its digits is 49941577728, while the sum is 88.

The spelling of 47948894278648 in words is "forty-seven trillion, nine hundred forty-eight billion, eight hundred ninety-four million, two hundred seventy-eight thousand, six hundred forty-eight".