2167867889 has 8 divisors (see below), whose sum is σ = 2379457632. Its totient is φ = 1958696640.

The previous prime is 2167867873. The next prime is 2167867937. The reversal of 2167867889 is 9887687612.

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

It is a cyclic number.

It is not a de Polignac number, because 2167867889 - 2⁴ = 2167867873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167860889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602744 + ... + 606329.

It is an arithmetic number, because the mean of its divisors is an integer number (297432204).

Almost surely, 2^2167867889 is an apocalyptic number.

It is an amenable number.

2167867889 is a deficient number, since it is larger than the sum of its proper divisors (211589743).

2167867889 is a wasteful number, since it uses less digits than its factorization.

2167867889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209247.

The product of its digits is 16257024, while the sum is 62.

The square root of 2167867889 is about 46560.3682223412. The cubic root of 2167867889 is about 1294.2284356074.

The spelling of 2167867889 in words is "two billion, one hundred sixty-seven million, eight hundred sixty-seven thousand, eight hundred eighty-nine".