879881 has 2 divisors, whose sum is σ = 879882. Its totient is φ = 879880.

The previous prime is 879863. The next prime is 879917. The reversal of 879881 is 188978.

879881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 265225 = 784^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 879881 - 2⁶ = 879817 is a prime.

It is a super-2 number, since 2×879881² = 1548381148322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (879821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439940 + 439941.

It is an arithmetic number, because the mean of its divisors is an integer number (439941).

2⁸⁷⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

879881 is a deficient number, since it is larger than the sum of its proper divisors (1).

879881 is an equidigital number, since it uses as much as digits as its factorization.

879881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 41.

The square root of 879881 is about 938.0197226072. The cubic root of 879881 is about 95.8240774089.

The spelling of 879881 in words is "eight hundred seventy-nine thousand, eight hundred eighty-one".