2885836772 has 108 divisors (see below), whose sum is σ = 6616762236. Its totient is φ = 1091502720.

The previous prime is 2885836771. The next prime is 2885836813. The reversal of 2885836772 is 2776385882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1698758656 + 1187078116 = 41216^2 + 34454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885836771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1346822 + ... + 1348962.

It is an arithmetic number, because the mean of its divisors is an integer number (61266317).

Almost surely, 2^2885836772 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 2885836772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3308381118).

2885836772 is an abundant number, since it is smaller than the sum of its proper divisors (3730925464).

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

2885836772 is a wasteful number, since it uses less digits than its factorization.

2885836772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2186 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The square root of 2885836772 is about 53719.9848473545. The cubic root of 2885836772 is about 1423.7178202232.

The spelling of 2885836772 in words is "two billion, eight hundred eighty-five million, eight hundred thirty-six thousand, seven hundred seventy-two".