9997134071 has 4 divisors (see below), whose sum is σ = 10006647144. Its totient is φ = 9987621000.

The previous prime is 9997134047. The next prime is 9997134083. The reversal of 9997134071 is 1704317999.

It is a happy number.

9997134071 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1704317999 = 167 ⋅10205497.

It is a cyclic number.

It is not a de Polignac number, because 9997134071 - 2²⁶ = 9930025207 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 (9997134871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754960 + ... + 4757061.

It is an arithmetic number, because the mean of its divisors is an integer number (2501661786).

Almost surely, 2^9997134071 is an apocalyptic number.

9997134071 is a deficient number, since it is larger than the sum of its proper divisors (9513073).

9997134071 is a wasteful number, since it uses less digits than its factorization.

9997134071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513072.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 9997134071 is about 99985.6693281592. The cubic root of 9997134071 is about 2154.2288551385.

The spelling of 9997134071 in words is "nine billion, nine hundred ninety-seven million, one hundred thirty-four thousand, seventy-one".