9867713538897 has 10 divisors (see below), whose sum is σ = 14740658496498. Its totient is φ = 6578475692544.

The previous prime is 9867713538887. The next prime is 9867713538953. The reversal of 9867713538897 is 7988353177689.

9867713538897 is a `hidden beast` number, since 9 + 8 + 6 + 7 + 71 + 3 + 538 + 8 + 9 + 7 = 666.

9867713538897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5025671723601 + 4842041815296 = 2241801^2 + 2200464^2 .

It is not a de Polignac number, because 9867713538897 - 2¹⁵ = 9867713506129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81), and also a Moran number because the ratio is a prime number: 121823623937 = 9867713538897 / (9 + 8 + 6 + 7 + 7 + 1 + 3 + 5 + 3 + 8 + 8 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (9867713538817) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60911811888 + ... + 60911812049.

Almost surely, 2^{9867713538897} is an apocalyptic number.

It is an amenable number.

9867713538897 is a deficient number, since it is larger than the sum of its proper divisors (4872944957601).

9867713538897 is a wasteful number, since it uses less digits than its factorization.

9867713538897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121823623949 (or 121823623940 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 81.

The spelling of 9867713538897 in words is "nine trillion, eight hundred sixty-seven billion, seven hundred thirteen million, five hundred thirty-eight thousand, eight hundred ninety-seven".