871089432 has 16 divisors (see below), whose sum is σ = 2177723640. Its totient is φ = 290363136.

The previous prime is 871089383. The next prime is 871089433. The reversal of 871089432 is 234980178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871089433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18147673 + ... + 18147720.

Almost surely, 2^871089432 is an apocalyptic number.

It is an amenable number.

871089432 is an abundant number, since it is smaller than the sum of its proper divisors (1306634208).

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

871089432 is a wasteful number, since it uses less digits than its factorization.

871089432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36295402 (or 36295398 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 871089432 is about 29514.2242317158. The cubic root of 871089432 is about 955.0385781589.

The spelling of 871089432 in words is "eight hundred seventy-one million, eighty-nine thousand, four hundred thirty-two".