871670288 has 20 divisors (see below), whose sum is σ = 1690924140. Its totient is φ = 435302784.

The previous prime is 871670287. The next prime is 871670311. The reversal of 871670288 is 882076178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 382906624 + 488763664 = 19568^2 + 22108^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (871670287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19595 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (84546207).

Almost surely, 2^871670288 is an apocalyptic number.

It is an amenable number.

871670288 is a deficient number, since it is larger than the sum of its proper divisors (819253852).

871670288 is a wasteful number, since it uses less digits than its factorization.

871670288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66554 (or 66548 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 871670288 is about 29524.0628640436. The cubic root of 871670288 is about 955.2508091922.

The spelling of 871670288 in words is "eight hundred seventy-one million, six hundred seventy thousand, two hundred eighty-eight".