871869067 has 4 divisors (see below), whose sum is σ = 880501536. Its totient is φ = 863236600.

The previous prime is 871869041. The next prime is 871869071. The reversal of 871869067 is 760968178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 871869067 - 2⁷ = 871868939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871869367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4316083 + ... + 4316284.

It is an arithmetic number, because the mean of its divisors is an integer number (220125384).

Almost surely, 2^871869067 is an apocalyptic number.

871869067 is a deficient number, since it is larger than the sum of its proper divisors (8632469).

871869067 is a wasteful number, since it uses less digits than its factorization.

871869067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632468.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 871869067 is about 29527.4290618062. The cubic root of 871869067 is about 955.3234166797.

The spelling of 871869067 in words is "eight hundred seventy-one million, eight hundred sixty-nine thousand, sixty-seven".