878800051 has 2 divisors, whose sum is σ = 878800052. Its totient is φ = 878800050.

The previous prime is 878800009. The next prime is 878800067. The reversal of 878800051 is 150008878.

878800051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878800051 - 2⁹ = 878799539 is a prime.

It is not a weakly prime, because it can be changed into another prime (878800001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439400025 + 439400026.

It is an arithmetic number, because the mean of its divisors is an integer number (439400026).

Almost surely, 2^878800051 is an apocalyptic number.

878800051 is a deficient number, since it is larger than the sum of its proper divisors (1).

878800051 is an equidigital number, since it uses as much as digits as its factorization.

878800051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 878800051 is about 29644.5619127691. The cubic root of 878800051 is about 957.8482081757.

The spelling of 878800051 in words is "eight hundred seventy-eight million, eight hundred thousand, fifty-one".