871249496667 has 8 divisors (see below), whose sum is σ = 1267271995200. Its totient is φ = 528029997960.

The previous prime is 871249496657. The next prime is 871249496687. The reversal of 871249496667 is 766694942178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871249496667 - 2¹⁰ = 871249495643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871249496657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13200749917 + ... + 13200749982.

It is an arithmetic number, because the mean of its divisors is an integer number (158408999400).

Almost surely, 2^871249496667 is an apocalyptic number.

871249496667 is a deficient number, since it is larger than the sum of its proper divisors (396022498533).

871249496667 is a wasteful number, since it uses less digits than its factorization.

871249496667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401499913.

The product of its digits is 219469824, while the sum is 69.

The spelling of 871249496667 in words is "eight hundred seventy-one billion, two hundred forty-nine million, four hundred ninety-six thousand, six hundred sixty-seven".