8887308983281 has 3 divisors (see below), whose sum is σ = 8887311964441. Its totient is φ = 8887306002122.

The previous prime is 8887308983249. The next prime is 8887308983383. The reversal of 8887308983281 is 1823898037888.

The square root of 8887308983281 is 2981159.

It is a perfect power (a square), and thus also a powerful number.

8887308983281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 8887308983281 - 2⁵ = 8887308983249 is a prime.

It is a super-2 number, since 2×8887308983281² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8887308987281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1490580 + ... + 4471738.

Almost surely, 2^{8887308983281} is an apocalyptic number.

8887308983281 is the 2981159-th square number.

8887308983281 is the 1490580-th centered octagonal number.

It is an amenable number.

8887308983281 is a deficient number, since it is larger than the sum of its proper divisors (2981160).

8887308983281 is an frugal number, since it uses more digits than its factorization.

8887308983281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962318 (or 2981159 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 73.

The spelling of 8887308983281 in words is "eight trillion, eight hundred eighty-seven billion, three hundred eight million, nine hundred eighty-three thousand, two hundred eighty-one".