2887993992 has 64 divisors (see below), whose sum is σ = 7808935680. Its totient is φ = 884777472.

The previous prime is 2887993987. The next prime is 2887994033. The reversal of 2887993992 is 2993997882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52833 + ... + 92559.

It is an arithmetic number, because the mean of its divisors is an integer number (122014620).

Almost surely, 2^2887993992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887993992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3904467840).

2887993992 is an abundant number, since it is smaller than the sum of its proper divisors (4920941688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2887993992 is a wasteful number, since it uses less digits than its factorization.

2887993992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39982 (or 39978 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 66.

The square root of 2887993992 is about 53740.0594714967. The cubic root of 2887993992 is about 1424.0724842643.

The spelling of 2887993992 in words is "two billion, eight hundred eighty-seven million, nine hundred ninety-three thousand, nine hundred ninety-two".