878751871 has 2 divisors, whose sum is σ = 878751872. Its totient is φ = 878751870.

The previous prime is 878751857. The next prime is 878751883. The reversal of 878751871 is 178157878.

878751871 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 878751871 - 2²¹ = 876654719 is a prime.

It is equal to p_44978677 and since 878751871 and 44978677 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878751821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439375935 + 439375936.

It is an arithmetic number, because the mean of its divisors is an integer number (439375936).

Almost surely, 2^878751871 is an apocalyptic number.

878751871 is a deficient number, since it is larger than the sum of its proper divisors (1).

878751871 is an equidigital number, since it uses as much as digits as its factorization.

878751871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 878080, while the sum is 52.

The square root of 878751871 is about 29643.7492736664. The cubic root of 878751871 is about 957.8307032571.

The spelling of 878751871 in words is "eight hundred seventy-eight million, seven hundred fifty-one thousand, eight hundred seventy-one".