882381161 has 4 divisors (see below), whose sum is σ = 891477972. Its totient is φ = 873284352.

The previous prime is 882381151. The next prime is 882381163. The reversal of 882381161 is 161183288.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 439531225 + 442849936 = 20965^2 + 21044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-882381161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (882381163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548260 + ... + 4548453.

It is an arithmetic number, because the mean of its divisors is an integer number (222869493).

Almost surely, 2^882381161 is an apocalyptic number.

It is an amenable number.

882381161 is a deficient number, since it is larger than the sum of its proper divisors (9096811).

882381161 is an equidigital number, since it uses as much as digits as its factorization.

882381161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096810.

The product of its digits is 18432, while the sum is 38.

The square root of 882381161 is about 29704.9012959141. The cubic root of 882381161 is about 959.1475219435.

The spelling of 882381161 in words is "eight hundred eighty-two million, three hundred eighty-one thousand, one hundred sixty-one".