871070880 has 96 divisors (see below), whose sum is σ = 2748924864. Its totient is φ = 231858176.

The previous prime is 871070869. The next prime is 871070929. The reversal of 871070880 is 88070178.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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, 326512 + ... + 329168.

It is an arithmetic number, because the mean of its divisors is an integer number (28634634).

Almost surely, 2^871070880 is an apocalyptic number.

871070880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871070880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374462432).

871070880 is an abundant number, since it is smaller than the sum of its proper divisors (1877853984).

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

871070880 is a wasteful number, since it uses less digits than its factorization.

871070880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 39.

The square root of 871070880 is about 29513.9099409075. The cubic root of 871070880 is about 955.0317981426.

The spelling of 871070880 in words is "eight hundred seventy-one million, seventy thousand, eight hundred eighty".