9971657367 has 16 divisors (see below), whose sum is σ = 15210881280. Its totient is φ = 5692099392.

The previous prime is 9971657347. The next prime is 9971657389. The reversal of 9971657367 is 7637561799.

It is not a de Polignac number, because 9971657367 - 2⁶ = 9971657303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9971657367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971657347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229117 + ... + 269142.

It is an arithmetic number, because the mean of its divisors is an integer number (950680080).

Almost surely, 2^9971657367 is an apocalyptic number.

9971657367 is a deficient number, since it is larger than the sum of its proper divisors (5239223913).

9971657367 is a wasteful number, since it uses less digits than its factorization.

9971657367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499222.

The product of its digits is 15002820, while the sum is 60.

The square root of 9971657367 is about 99858.1862793432. The cubic root of 9971657367 is about 2152.3973523093.

The spelling of 9971657367 in words is "nine billion, nine hundred seventy-one million, six hundred fifty-seven thousand, three hundred sixty-seven".