971134995867 has 4 divisors (see below), whose sum is σ = 1294846661160. Its totient is φ = 647423330576.

The previous prime is 971134995839. The next prime is 971134995869. The reversal of 971134995867 is 768599431179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971134995867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971134995869) 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, 161855832642 + ... + 161855832647.

It is an arithmetic number, because the mean of its divisors is an integer number (323711665290).

Almost surely, 2^971134995867 is an apocalyptic number.

971134995867 is a deficient number, since it is larger than the sum of its proper divisors (323711665293).

971134995867 is a wasteful number, since it uses less digits than its factorization.

971134995867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323711665292.

The product of its digits is 102876480, while the sum is 69.

The spelling of 971134995867 in words is "nine hundred seventy-one billion, one hundred thirty-four million, nine hundred ninety-five thousand, eight hundred sixty-seven".