2871392320 has 28 divisors (see below), whose sum is σ = 6837503724. Its totient is φ = 1148556800.

The previous prime is 2871392317. The next prime is 2871392333. The reversal of 2871392320 is 232931782.

It can be written as a sum of positive squares in 2 ways, for example, as 1187767296 + 1683625024 = 34464^2 + 41032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2871392320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486231 + ... + 4486870.

Almost surely, 2^2871392320 is an apocalyptic number.

2871392320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871392320 is an abundant number, since it is smaller than the sum of its proper divisors (3966111404).

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

2871392320 is an equidigital number, since it uses as much as digits as its factorization.

2871392320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973118 (or 8973108 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2871392320 is about 53585.3741239156. The cubic root of 2871392320 is about 1421.3384721582.

The spelling of 2871392320 in words is "two billion, eight hundred seventy-one million, three hundred ninety-two thousand, three hundred twenty".