871264920 has 64 divisors (see below), whose sum is σ = 2698122240. Its totient is φ = 224841600.

The previous prime is 871264903. The next prime is 871264921. The reversal of 871264920 is 29462178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871264921) 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 15 ways as a sum of consecutive naturals, for example, 113386 + ... + 120825.

It is an arithmetic number, because the mean of its divisors is an integer number (42158160).

Almost surely, 2^871264920 is an apocalyptic number.

It is an amenable number.

871264920 is an abundant number, since it is smaller than the sum of its proper divisors (1826857320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871264920 is a wasteful number, since it uses less digits than its factorization.

871264920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234256 (or 234252 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 871264920 is about 29517.1970213975. The cubic root of 871264920 is about 955.1027072637.

The spelling of 871264920 in words is "eight hundred seventy-one million, two hundred sixty-four thousand, nine hundred twenty".