2871871460 has 24 divisors (see below), whose sum is σ = 6129800376. Its totient is φ = 1129916160.

The previous prime is 2871871411. The next prime is 2871871477. The reversal of 2871871460 is 641781782.

It can be written as a sum of positive squares in 4 ways, for example, as 141181924 + 2730689536 = 11882^2 + 52256^2 .

It is an unprimeable number.

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, 1175777 + ... + 1178216.

It is an arithmetic number, because the mean of its divisors is an integer number (255408349).

Almost surely, 2^2871871460 is an apocalyptic number.

2871871460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871871460 is an abundant number, since it is smaller than the sum of its proper divisors (3257928916).

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

2871871460 is a wasteful number, since it uses less digits than its factorization.

2871871460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354063 (or 2354061 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 2871871460 is about 53589.8447469294. The cubic root of 2871871460 is about 1421.4175258208.

The spelling of 2871871460 in words is "two billion, eight hundred seventy-one million, eight hundred seventy-one thousand, four hundred sixty".