878411 has 2 divisors, whose sum is σ = 878412. Its totient is φ = 878410.

The previous prime is 878387. The next prime is 878413. The reversal of 878411 is 114878.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-878411 is a prime.

It is a super-3 number, since 3×878411³ = 2033361290938021593, which contains 333 as substring.

It is a Sophie Germain prime.

Together with 878413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (878413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439205 + 439206.

It is an arithmetic number, because the mean of its divisors is an integer number (439206).

2⁸⁷⁸⁴¹¹ is an apocalyptic number.

878411 is a deficient number, since it is larger than the sum of its proper divisors (1).

878411 is an equidigital number, since it uses as much as digits as its factorization.

878411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 29.

The square root of 878411 is about 937.2358294474. The cubic root of 878411 is about 95.7706838586.

The spelling of 878411 in words is "eight hundred seventy-eight thousand, four hundred eleven".