871388484 has 24 divisors (see below), whose sum is σ = 2033787168. Its totient is φ = 290384640.

The previous prime is 871388471. The next prime is 871388489. The reversal of 871388484 is 484883178.

It is not an unprimeable number, because it can be changed into a prime (871388489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52564 + ... + 67124.

It is an arithmetic number, because the mean of its divisors is an integer number (84741132).

Almost surely, 2^871388484 is an apocalyptic number.

It is an amenable number.

871388484 is an abundant number, since it is smaller than the sum of its proper divisors (1162398684).

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

871388484 is a wasteful number, since it uses less digits than its factorization.

871388484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19555 (or 19553 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 871388484 is about 29519.2900321129. The cubic root of 871388484 is about 955.1478564599.

The spelling of 871388484 in words is "eight hundred seventy-one million, three hundred eighty-eight thousand, four hundred eighty-four".