879104381 has 2 divisors, whose sum is σ = 879104382. Its totient is φ = 879104380.

The previous prime is 879104371. The next prime is 879104399. The reversal of 879104381 is 183401978.

879104381 = 20965² + 20966².

879104381 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., 439573156 + 439531225 = 20966^2 + 20965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879104381 is a prime.

It is a super-2 number, since 2×879104381² = 1545649025386786322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879104351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439552190 + 439552191.

It is an arithmetic number, because the mean of its divisors is an integer number (439552191).

Almost surely, 2^879104381 is an apocalyptic number.

879104381 is the 20966-th centered square number.

It is an amenable number.

879104381 is a deficient number, since it is larger than the sum of its proper divisors (1).

879104381 is an equidigital number, since it uses as much as digits as its factorization.

879104381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 879104381 is about 29649.6944503649. The cubic root of 879104381 is about 957.9587635866.

The spelling of 879104381 in words is "eight hundred seventy-nine million, one hundred four thousand, three hundred eighty-one".