2887142328 has 144 divisors (see below), whose sum is σ = 9409959000. Its totient is φ = 796424832.

The previous prime is 2887142303. The next prime is 2887142353. The reversal of 2887142328 is 8232417882.

2887142328 is a `hidden beast` number, since 288 + 7 + 1 + 42 + 328 = 666.

It is an interprime number because it is at equal distance from previous prime (2887142303) and next prime (2887142353).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88203 + ... + 116421.

Almost surely, 2^2887142328 is an apocalyptic number.

2887142328 is a gapful number since it is divisible by the number (28) 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 2887142328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704979500).

2887142328 is an abundant number, since it is smaller than the sum of its proper divisors (6522816672).

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

2887142328 is a wasteful number, since it uses less digits than its factorization.

2887142328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28274 (or 28260 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 2887142328 is about 53732.1349659587. The cubic root of 2887142328 is about 1423.9324850686.

The spelling of 2887142328 in words is "two billion, eight hundred eighty-seven million, one hundred forty-two thousand, three hundred twenty-eight".