2887938819 has 8 divisors (see below), whose sum is σ = 4278427920. Its totient is φ = 1925292528.

The previous prime is 2887938817. The next prime is 2887938821. The reversal of 2887938819 is 9188397882.

It is an interprime number because it is at equal distance from previous prime (2887938817) and next prime (2887938821).

It is not a de Polignac number, because 2887938819 - 2¹ = 2887938817 is a prime.

It is a super-2 number, since 2×2887938819² = 16680381244574229522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2887938817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53480322 + ... + 53480375.

It is an arithmetic number, because the mean of its divisors is an integer number (534803490).

Almost surely, 2^2887938819 is an apocalyptic number.

2887938819 is a deficient number, since it is larger than the sum of its proper divisors (1390489101).

2887938819 is a wasteful number, since it uses less digits than its factorization.

2887938819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106960706 (or 106960700 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 2887938819 is about 53739.5461369000. The cubic root of 2887938819 is about 1424.0634155876.

The spelling of 2887938819 in words is "two billion, eight hundred eighty-seven million, nine hundred thirty-eight thousand, eight hundred nineteen".