2772645512 has 32 divisors (see below), whose sum is σ = 6398414400. Its totient is φ = 1096870464.

The previous prime is 2772645511. The next prime is 2772645517. The reversal of 2772645512 is 2155462772.

It is a self number, because there is not a number n which added to its sum of digits gives 2772645512.

It is not an unprimeable number, because it can be changed into a prime (2772645511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1903562 + ... + 1905017.

It is an arithmetic number, because the mean of its divisors is an integer number (199950450).

Almost surely, 2^2772645512 is an apocalyptic number.

It is an amenable number.

2772645512 is an abundant number, since it is smaller than the sum of its proper divisors (3625768888).

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

2772645512 is a wasteful number, since it uses less digits than its factorization.

2772645512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808605 (or 3808601 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 2772645512 is about 52655.9162108115. The cubic root of 2772645512 is about 1404.8548309800.

The spelling of 2772645512 in words is "two billion, seven hundred seventy-two million, six hundred forty-five thousand, five hundred twelve".