2887919872 has 18 divisors (see below), whose sum is σ = 5764559318. Its totient is φ = 1443959808.

The previous prime is 2887919857. The next prime is 2887919873. The reversal of 2887919872 is 2789197882.

It can be written as a sum of positive squares in only one way, i.e., 2001309696 + 886610176 = 44736^2 + 29776^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2887919872.

It is not an unprimeable number, because it can be changed into a prime (2887919873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640213 + ... + 5640724.

Almost surely, 2^2887919872 is an apocalyptic number.

It is an amenable number.

2887919872 is a deficient number, since it is larger than the sum of its proper divisors (2876639446).

2887919872 is an equidigital number, since it uses as much as digits as its factorization.

2887919872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280953 (or 11280939 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 61.

The square root of 2887919872 is about 53739.3698511622. The cubic root of 2887919872 is about 1424.0603012801.

The spelling of 2887919872 in words is "two billion, eight hundred eighty-seven million, nine hundred nineteen thousand, eight hundred seventy-two".