2871603156 has 24 divisors (see below), whose sum is σ = 6775695360. Its totient is φ = 946445632.

The previous prime is 2871603149. The next prime is 2871603157. The reversal of 2871603156 is 6513061782.

It is a super-2 number, since 2×2871603156² = 16492209371098320672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871603157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343316 + ... + 1345451.

It is an arithmetic number, because the mean of its divisors is an integer number (282320640).

Almost surely, 2^2871603156 is an apocalyptic number.

It is an amenable number.

2871603156 is an abundant number, since it is smaller than the sum of its proper divisors (3904092204).

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

2871603156 is a wasteful number, since it uses less digits than its factorization.

2871603156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688863 (or 2688861 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2871603156 is about 53587.3413783517. The cubic root of 2871603156 is about 1421.3732592290.

The spelling of 2871603156 in words is "two billion, eight hundred seventy-one million, six hundred three thousand, one hundred fifty-six".