878702882089 has 2 divisors, whose sum is σ = 878702882090. Its totient is φ = 878702882088.

The previous prime is 878702882081. The next prime is 878702882111. The reversal of 878702882089 is 980288207878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802807040025 + 75895842064 = 895995^2 + 275492^2 .

It is a cyclic number.

It is not a de Polignac number, because 878702882089 - 2³ = 878702882081 is a prime.

It is not a weakly prime, because it can be changed into another prime (878702882081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439351441044 + 439351441045.

It is an arithmetic number, because the mean of its divisors is an integer number (439351441045).

Almost surely, 2^878702882089 is an apocalyptic number.

It is an amenable number.

878702882089 is a deficient number, since it is larger than the sum of its proper divisors (1).

878702882089 is an equidigital number, since it uses as much as digits as its factorization.

878702882089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57802752, while the sum is 67.

The spelling of 878702882089 in words is "eight hundred seventy-eight billion, seven hundred two million, eight hundred eighty-two thousand, eighty-nine".