2887155712 has 128 divisors (see below), whose sum is σ = 6782086080. Its totient is φ = 1203240960.

The previous prime is 2887155629. The next prime is 2887155727. The reversal of 2887155712 is 2175517882.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9404263 + ... + 9404569.

Almost surely, 2^2887155712 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 2887155712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3391043040).

2887155712 is an abundant number, since it is smaller than the sum of its proper divisors (3894930368).

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

2887155712 is an frugal number, since it uses more digits than its factorization.

2887155712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 357 counting only the distinct ones).

The product of its digits is 313600, while the sum is 46.

The square root of 2887155712 is about 53732.2595095349. The cubic root of 2887155712 is about 1423.9346853854.

The spelling of 2887155712 in words is "two billion, eight hundred eighty-seven million, one hundred fifty-five thousand, seven hundred twelve".