9867887067 has 16 divisors (see below), whose sum is σ = 13205019168. Its totient is φ = 6554718720.

The previous prime is 9867887023. The next prime is 9867887123. The reversal of 9867887067 is 7607887689.

It is not a de Polignac number, because 9867887067 - 2¹² = 9867882971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9867886989 and 9867887007.

It is not an unprimeable number, because it can be changed into a prime (9867487067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957313 + ... + 967565.

It is an arithmetic number, because the mean of its divisors is an integer number (825313698).

Almost surely, 2^9867887067 is an apocalyptic number.

9867887067 is a deficient number, since it is larger than the sum of its proper divisors (3337132101).

9867887067 is a wasteful number, since it uses less digits than its factorization.

9867887067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11390.

The product of its (nonzero) digits is 56899584, while the sum is 66.

The square root of 9867887067 is about 99337.2390747800. The cubic root of 9867887067 is about 2144.9049765285.

It can be divided in two parts, 98678 and 87067, that added together give a triangular number (185745 = T₆₀₉).

The spelling of 9867887067 in words is "nine billion, eight hundred sixty-seven million, eight hundred eighty-seven thousand, sixty-seven".