967991171967 has 24 divisors (see below), whose sum is σ = 1415578273200. Its totient is φ = 637328089728.

The previous prime is 967991171923. The next prime is 967991171971. The reversal of 967991171967 is 769171199769.

It is not a de Polignac number, because 967991171967 - 2¹¹ = 967991169919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 967991171895 and 967991171904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967991171267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25117 + ... + 1391622.

It is an arithmetic number, because the mean of its divisors is an integer number (58982428050).

Almost surely, 2^967991171967 is an apocalyptic number.

967991171967 is a deficient number, since it is larger than the sum of its proper divisors (447587101233).

967991171967 is a wasteful number, since it uses less digits than its factorization.

967991171967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417687 (or 1417684 counting only the distinct ones).

The product of its digits is 81015228, while the sum is 72.

The spelling of 967991171967 in words is "nine hundred sixty-seven billion, nine hundred ninety-one million, one hundred seventy-one thousand, nine hundred sixty-seven".