869046871 has 32 divisors (see below), whose sum is σ = 1145088000. Its totient is φ = 638966880.

The previous prime is 869046869. The next prime is 869046877. The reversal of 869046871 is 178640968.

It is a cyclic number.

It is not a de Polignac number, because 869046871 - 2¹ = 869046869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869046877) 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 31 ways as a sum of consecutive naturals, for example, 412980 + ... + 415078.

It is an arithmetic number, because the mean of its divisors is an integer number (35784000).

Almost surely, 2^869046871 is an apocalyptic number.

869046871 is a deficient number, since it is larger than the sum of its proper divisors (276041129).

869046871 is a wasteful number, since it uses less digits than its factorization.

869046871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 869046871 is about 29479.6009301347. The cubic root of 869046871 is about 954.2915246494.

The spelling of 869046871 in words is "eight hundred sixty-nine million, forty-six thousand, eight hundred seventy-one".