2868205312 has 72 divisors (see below), whose sum is σ = 6754291712. Its totient is φ = 1189555200.

The previous prime is 2868205309. The next prime is 2868205339. The reversal of 2868205312 is 2135028682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29737 + ... + 81367.

Almost surely, 2^2868205312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868205312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3377145856).

2868205312 is an abundant number, since it is smaller than the sum of its proper divisors (3886086400).

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

2868205312 is an equidigital number, since it uses as much as digits as its factorization.

2868205312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51685 (or 51671 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2868205312 is about 53555.6282009650. The cubic root of 2868205312 is about 1420.8124214346.

The spelling of 2868205312 in words is "two billion, eight hundred sixty-eight million, two hundred five thousand, three hundred twelve".