871252807 has 2 divisors, whose sum is σ = 871252808. Its totient is φ = 871252806.

The previous prime is 871252793. The next prime is 871252819. The reversal of 871252807 is 708252178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871252807 - 2¹¹ = 871250759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871252807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871252867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435626403 + 435626404.

It is an arithmetic number, because the mean of its divisors is an integer number (435626404).

Almost surely, 2^871252807 is an apocalyptic number.

871252807 is a deficient number, since it is larger than the sum of its proper divisors (1).

871252807 is an equidigital number, since it uses as much as digits as its factorization.

871252807 is an odious number, because the sum of its binary digits is odd.

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

The square root of 871252807 is about 29516.9918352125. The cubic root of 871252807 is about 955.0982810506.

The spelling of 871252807 in words is "eight hundred seventy-one million, two hundred fifty-two thousand, eight hundred seven".