871264005 has 16 divisors (see below), whose sum is σ = 1394606400. Its totient is φ = 464479488.

The previous prime is 871264001. The next prime is 871264007. The reversal of 871264005 is 500462178.

It is not a de Polignac number, because 871264005 - 2² = 871264001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871264001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29421 + ... + 51069.

It is an arithmetic number, because the mean of its divisors is an integer number (87162900).

Almost surely, 2^871264005 is an apocalyptic number.

It is an amenable number.

871264005 is a deficient number, since it is larger than the sum of its proper divisors (523342395).

871264005 is a wasteful number, since it uses less digits than its factorization.

871264005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24340.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 871264005 is about 29517.1815219543. The cubic root of 871264005 is about 955.1023729149.

The spelling of 871264005 in words is "eight hundred seventy-one million, two hundred sixty-four thousand, five".