878113 has 2 divisors, whose sum is σ = 878114. Its totient is φ = 878112.

The previous prime is 878107. The next prime is 878131. The reversal of 878113 is 311878.

It is a happy number.

Together with next prime (878131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877969 + 144 = 937^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 878113 - 2⁹ = 877601 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (878153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439056 + 439057.

It is an arithmetic number, because the mean of its divisors is an integer number (439057).

2⁸⁷⁸¹¹³ is an apocalyptic number.

It is an amenable number.

878113 is a deficient number, since it is larger than the sum of its proper divisors (1).

878113 is an equidigital number, since it uses as much as digits as its factorization.

878113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 28.

The square root of 878113 is about 937.0768378313. The cubic root of 878113 is about 95.7598525993.

The spelling of 878113 in words is "eight hundred seventy-eight thousand, one hundred thirteen".