2772840852 has 18 divisors (see below), whose sum is σ = 7009125578. Its totient is φ = 924280272.

The previous prime is 2772840839. The next prime is 2772840881. The reversal of 2772840852 is 2580482772.

It can be written as a sum of positive squares in only one way, i.e., 2459763216 + 313077636 = 49596^2 + 17694^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 2772840798 and 2772840807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38511643 + ... + 38511714.

Almost surely, 2^2772840852 is an apocalyptic number.

It is an amenable number.

2772840852 is an abundant number, since it is smaller than the sum of its proper divisors (4236284726).

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

2772840852 is a wasteful number, since it uses less digits than its factorization.

2772840852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77023367 (or 77023362 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 2772840852 is about 52657.7710504347. The cubic root of 2772840852 is about 1404.8878220827.

The spelling of 2772840852 in words is "two billion, seven hundred seventy-two million, eight hundred forty thousand, eight hundred fifty-two".