2871561468 has 12 divisors (see below), whose sum is σ = 6700310120. Its totient is φ = 957187152.

The previous prime is 2871561467. The next prime is 2871561481. The reversal of 2871561468 is 8641651782.

2871561468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871561467) 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, 119648383 + ... + 119648406.

Almost surely, 2^2871561468 is an apocalyptic number.

It is an amenable number.

2871561468 is an abundant number, since it is smaller than the sum of its proper divisors (3828748652).

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

2871561468 is a wasteful number, since it uses less digits than its factorization.

2871561468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239296796 (or 239296794 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 2871561468 is about 53586.9524044800. The cubic root of 2871561468 is about 1421.3663810159.

The spelling of 2871561468 in words is "two billion, eight hundred seventy-one million, five hundred sixty-one thousand, four hundred sixty-eight".