878252071 has 2 divisors, whose sum is σ = 878252072. Its totient is φ = 878252070.

The previous prime is 878252051. The next prime is 878252077. The reversal of 878252071 is 170252878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878252071 - 2⁹ = 878251559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878252077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439126035 + 439126036.

It is an arithmetic number, because the mean of its divisors is an integer number (439126036).

Almost surely, 2^878252071 is an apocalyptic number.

878252071 is a deficient number, since it is larger than the sum of its proper divisors (1).

878252071 is an equidigital number, since it uses as much as digits as its factorization.

878252071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 878252071 is about 29635.3179669124. The cubic root of 878252071 is about 957.6490764938.

The spelling of 878252071 in words is "eight hundred seventy-eight million, two hundred fifty-two thousand, seventy-one".