2887171560 has 512 divisors, whose sum is σ = 12265344000. Its totient is φ = 587575296.

The previous prime is 2887171537. The next prime is 2887171561. The reversal of 2887171560 is 651717882.

It is a happy number.

2887171560 is a `hidden beast` number, since 2 + 8 + 87 + 1 + 7 + 1 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2887171561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2849614 + ... + 2850626.

It is an arithmetic number, because the mean of its divisors is an integer number (23955750).

Almost surely, 2^2887171560 is an apocalyptic number.

2887171560 is a gapful number since it is divisible by the number (20) 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 2887171560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6132672000).

2887171560 is an abundant number, since it is smaller than the sum of its proper divisors (9378172440).

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

2887171560 is a wasteful number, since it uses less digits than its factorization.

2887171560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 2887171560 is about 53732.4069812622. The cubic root of 2887171560 is about 1423.9372907726.

The spelling of 2887171560 in words is "two billion, eight hundred eighty-seven million, one hundred seventy-one thousand, five hundred sixty".