9727543668479 has 48 divisors (see below), whose sum is σ = 12748640550912. Its totient is φ = 7242434394624.

The previous prime is 9727543668467. The next prime is 9727543668487. The reversal of 9727543668479 is 9748663457279.

It is not a de Polignac number, because 9727543668479 - 2³² = 9723248701183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9727543662479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115455362 + ... + 115539584.

It is an arithmetic number, because the mean of its divisors is an integer number (265596678144).

Almost surely, 2^{9727543668479} is an apocalyptic number.

9727543668479 is a deficient number, since it is larger than the sum of its proper divisors (3021096882433).

9727543668479 is a wasteful number, since it uses less digits than its factorization.

9727543668479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90016 (or 90003 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 77.

The spelling of 9727543668479 in words is "nine trillion, seven hundred twenty-seven billion, five hundred forty-three million, six hundred sixty-eight thousand, four hundred seventy-nine".