871054804488 has 128 divisors (see below), whose sum is σ = 2412451123200. Its totient is φ = 259872345600.

The previous prime is 871054804469. The next prime is 871054804493. The reversal of 871054804488 is 884408450178.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13444620 + ... + 13509252.

It is an arithmetic number, because the mean of its divisors is an integer number (18847274400).

Almost surely, 2^871054804488 is an apocalyptic number.

871054804488 is a gapful number since it is divisible by the number (88) 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 871054804488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206225561600).

871054804488 is an abundant number, since it is smaller than the sum of its proper divisors (1541396318712).

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

871054804488 is a wasteful number, since it uses less digits than its factorization.

871054804488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65443 (or 65439 counting only the distinct ones).

The product of its (nonzero) digits is 9175040, while the sum is 57.

The spelling of 871054804488 in words is "eight hundred seventy-one billion, fifty-four million, eight hundred four thousand, four hundred eighty-eight".