871262385 has 96 divisors (see below), whose sum is σ = 1728604800. Its totient is φ = 372556800.

The previous prime is 871262363. The next prime is 871262387. The reversal of 871262385 is 583262178.

It is not a de Polignac number, because 871262385 - 2⁸ = 871262129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871262387) 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 in 95 ways as a sum of consecutive naturals, for example, 1242535 + ... + 1243235.

It is an arithmetic number, because the mean of its divisors is an integer number (18006300).

Almost surely, 2^871262385 is an apocalyptic number.

It is an amenable number.

871262385 is a deficient number, since it is larger than the sum of its proper divisors (857342415).

871262385 is a wasteful number, since it uses less digits than its factorization.

871262385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 824 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 871262385 is about 29517.1540802971. The cubic root of 871262385 is about 955.1017809524.

The spelling of 871262385 in words is "eight hundred seventy-one million, two hundred sixty-two thousand, three hundred eighty-five".