2287870865328 has 80 divisors (see below), whose sum is σ = 5967026942976. Its totient is φ = 755311768320.

The previous prime is 2287870865323. The next prime is 2287870865339. The reversal of 2287870865328 is 8235680787822.

It is not an unprimeable number, because it can be changed into a prime (2287870865323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21832225 + ... + 21936767.

Almost surely, 2^{2287870865328} 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 2287870865328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983513471488).

2287870865328 is an abundant number, since it is smaller than the sum of its proper divisors (3679156077648).

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

2287870865328 is a wasteful number, since it uses less digits than its factorization.

2287870865328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108922 (or 108916 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 66.

The spelling of 2287870865328 in words is "two trillion, two hundred eighty-seven billion, eight hundred seventy million, eight hundred sixty-five thousand, three hundred twenty-eight".