8818900281 has 27 divisors (see below), whose sum is σ = 13326127087. Its totient is φ = 5619514560.

The previous prime is 8818900249. The next prime is 8818900291. The reversal of 8818900281 is 1820098188.

The square root of 8818900281 is 93909.

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

It can be written as a sum of positive squares in only one way, i.e., 1498386681 + 7320513600 = 38709^2 + 85560^2 .

It is not a de Polignac number, because 8818900281 - 2⁵ = 8818900249 is a prime.

It is a super-2 number, since 2×8818900281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8818900231) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6479041 + ... + 6480401.

Almost surely, 2^8818900281 is an apocalyptic number.

8818900281 is the 93909-th square number.

8818900281 is the 46955-th centered octagonal number.

It is an amenable number.

8818900281 is a deficient number, since it is larger than the sum of its proper divisors (4507226806).

8818900281 is an equidigital number, since it uses as much as digits as its factorization.

8818900281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The cubic root of 8818900281 is about 2066.0372334147.

The spelling of 8818900281 in words is "eight billion, eight hundred eighteen million, nine hundred thousand, two hundred eighty-one".