879181 has 2 divisors, whose sum is σ = 879182. Its totient is φ = 879180.

The previous prime is 879169. The next prime is 879199. The reversal of 879181 is 181978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 52900 = 909^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 879181 - 2¹¹ = 877133 is a prime.

It is a super-2 number, since 2×879181² = 1545918461522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439590 + 439591.

It is an arithmetic number, because the mean of its divisors is an integer number (439591).

2⁸⁷⁹¹⁸¹ is an apocalyptic number.

It is an amenable number.

879181 is a deficient number, since it is larger than the sum of its proper divisors (1).

879181 is an equidigital number, since it uses as much as digits as its factorization.

879181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 34.

The square root of 879181 is about 937.6465218834. The cubic root of 879181 is about 95.7986593316.

The spelling of 879181 in words is "eight hundred seventy-nine thousand, one hundred eighty-one".