871451612 has 24 divisors (see below), whose sum is σ = 1551796512. Its totient is φ = 428097600.

The previous prime is 871451573. The next prime is 871451629. The reversal of 871451612 is 216154178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316562 + ... + 319302.

It is an arithmetic number, because the mean of its divisors is an integer number (64658188).

Almost surely, 2^871451612 is an apocalyptic number.

It is an amenable number.

871451612 is a deficient number, since it is larger than the sum of its proper divisors (680344900).

871451612 is a wasteful number, since it uses less digits than its factorization.

871451612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109 (or 4107 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 871451612 is about 29520.3592796565. The cubic root of 871451612 is about 955.1709212272.

The spelling of 871451612 in words is "eight hundred seventy-one million, four hundred fifty-one thousand, six hundred twelve".