871672280 has 32 divisors (see below), whose sum is σ = 2076632640. Its totient is φ = 328158720.

The previous prime is 871672271. The next prime is 871672283. The reversal of 871672280 is 82276178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871672283) 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 7 ways as a sum of consecutive naturals, for example, 640256 + ... + 641615.

It is an arithmetic number, because the mean of its divisors is an integer number (64894770).

Almost surely, 2^871672280 is an apocalyptic number.

It is an amenable number.

871672280 is an abundant number, since it is smaller than the sum of its proper divisors (1204960360).

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

871672280 is a wasteful number, since it uses less digits than its factorization.

871672280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281899 (or 1281895 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 871672280 is about 29524.0965992187. The cubic root of 871672280 is about 955.2515368596.

The spelling of 871672280 in words is "eight hundred seventy-one million, six hundred seventy-two thousand, two hundred eighty".