2887919873 has 2 divisors, whose sum is σ = 2887919874. Its totient is φ = 2887919872.

The previous prime is 2887919857. The next prime is 2887919921. The reversal of 2887919873 is 3789197882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146283584 + 741636289 = 46328^2 + 27233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2887919873 - 2⁴ = 2887919857 is a prime.

It is a super-2 number, since 2×2887919873² = 16680162385736672258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2887919803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443959936 + 1443959937.

It is an arithmetic number, because the mean of its divisors is an integer number (1443959937).

Almost surely, 2^2887919873 is an apocalyptic number.

It is an amenable number.

2887919873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887919873 is an equidigital number, since it uses as much as digits as its factorization.

2887919873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 62.

The square root of 2887919873 is about 53739.3698604664. The cubic root of 2887919873 is about 1424.0603014445.

The spelling of 2887919873 in words is "two billion, eight hundred eighty-seven million, nine hundred nineteen thousand, eight hundred seventy-three".