867275836386487 has 16 divisors (see below), whose sum is σ = 949187292512544. Its totient is φ = 785879744832000.

The previous prime is 867275836386391. The next prime is 867275836386493. The reversal of 867275836386487 is 784683638572768.

It is a cyclic number.

It is not a de Polignac number, because 867275836386487 - 2⁴⁷ = 726538348031159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 867275836386398 and 867275836386407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867275836386497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95615814 + ... + 104292547.

It is an arithmetic number, because the mean of its divisors is an integer number (59324205782034).

Almost surely, 2^{867275836386487} is an apocalyptic number.

867275836386487 is a deficient number, since it is larger than the sum of its proper divisors (81911456126057).

867275836386487 is a wasteful number, since it uses less digits than its factorization.

867275836386487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199909650.

The product of its digits is 109247201280, while the sum is 88.

The spelling of 867275836386487 in words is "eight hundred sixty-seven trillion, two hundred seventy-five billion, eight hundred thirty-six million, three hundred eighty-six thousand, four hundred eighty-seven".