47773447674447 has 24 divisors (see below), whose sum is σ = 70050567997872. Its totient is φ = 28938929303680.

The previous prime is 47773447674401. The next prime is 47773447674509. The reversal of 47773447674447 is 74447674437774.

It is not a de Polignac number, because 47773447674447 - 2³¹ = 47771300190799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47773447678447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32635878 + ... + 34068275.

It is an arithmetic number, because the mean of its divisors is an integer number (2918773666578).

Almost surely, 2^{47773447674447} is an apocalyptic number.

47773447674447 is a deficient number, since it is larger than the sum of its proper divisors (22277120323425).

47773447674447 is a wasteful number, since it uses less digits than its factorization.

47773447674447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66706151 (or 66706140 counting only the distinct ones).

The product of its digits is 8674025472, while the sum is 75.

The spelling of 47773447674447 in words is "forty-seven trillion, seven hundred seventy-three billion, four hundred forty-seven million, six hundred seventy-four thousand, four hundred forty-seven".