2167143887 has 2 divisors, whose sum is σ = 2167143888. Its totient is φ = 2167143886.

The previous prime is 2167143841. The next prime is 2167143907. The reversal of 2167143887 is 7883417612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2167143887 - 2²⁶ = 2100035023 is a prime.

It is a super-2 number, since 2×2167143887² = 9393025253922937538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2167143817) 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 as a sum of consecutive naturals, namely, 1083571943 + 1083571944.

It is an arithmetic number, because the mean of its divisors is an integer number (1083571944).

Almost surely, 2^2167143887 is an apocalyptic number.

2167143887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167143887 is an equidigital number, since it uses as much as digits as its factorization.

2167143887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 2167143887 is about 46552.5926990109. The cubic root of 2167143887 is about 1294.0843419087.

The spelling of 2167143887 in words is "two billion, one hundred sixty-seven million, one hundred forty-three thousand, eight hundred eighty-seven".