2867891904 has 168 divisors, whose sum is σ = 8605144080. Its totient is φ = 912218112.

The previous prime is 2867891899. The next prime is 2867891921. The reversal of 2867891904 is 4091987682.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128267 + ... + 1130805.

Almost surely, 2^2867891904 is an apocalyptic number.

2867891904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2867891904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4302572040).

2867891904 is an abundant number, since it is smaller than the sum of its proper divisors (5737252176).

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

2867891904 is a wasteful number, since it uses less digits than its factorization.

2867891904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 2867891904 is about 53552.7021167000. The cubic root of 2867891904 is about 1420.7606689563.

The spelling of 2867891904 in words is "two billion, eight hundred sixty-seven million, eight hundred ninety-one thousand, nine hundred four".