2871589028 has 48 divisors (see below), whose sum is σ = 6351160704. Its totient is φ = 1103466240.

The previous prime is 2871589027. The next prime is 2871589043. The reversal of 2871589028 is 8209851782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2871589027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41375 + ... + 86342.

It is an arithmetic number, because the mean of its divisors is an integer number (132315848).

Almost surely, 2^2871589028 is an apocalyptic number.

2871589028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2871589028 is an abundant number, since it is smaller than the sum of its proper divisors (3479571676).

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

2871589028 is a wasteful number, since it uses less digits than its factorization.

2871589028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127812 (or 127810 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 2871589028 is about 53587.2095560125. The cubic root of 2871589028 is about 1421.3709282205.

The spelling of 2871589028 in words is "two billion, eight hundred seventy-one million, five hundred eighty-nine thousand, twenty-eight".