867086811 has 6 divisors (see below), whose sum is σ = 1252458740. Its totient is φ = 578057868.

The previous prime is 867086797. The next prime is 867086849. The reversal of 867086811 is 118680768.

It is not a de Polignac number, because 867086811 - 2¹⁴ = 867070427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867086881) 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 5 ways as a sum of consecutive naturals, for example, 48171481 + ... + 48171498.

Almost surely, 2^867086811 is an apocalyptic number.

867086811 is a deficient number, since it is larger than the sum of its proper divisors (385371929).

867086811 is a wasteful number, since it uses less digits than its factorization.

867086811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96342985 (or 96342982 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 867086811 is about 29446.3378198376. The cubic root of 867086811 is about 953.5735439514.

It can be divided in two parts, 8670 and 86811, that added together give a square (95481 = 309²).

The spelling of 867086811 in words is "eight hundred sixty-seven million, eighty-six thousand, eight hundred eleven".