2772826783 has 4 divisors (see below), whose sum is σ = 2798741160. Its totient is φ = 2746912408.

The previous prime is 2772826757. The next prime is 2772826787. The reversal of 2772826783 is 3876282772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2772826783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2772826783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772826787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12957028 + ... + 12957241.

It is an arithmetic number, because the mean of its divisors is an integer number (699685290).

Almost surely, 2^2772826783 is an apocalyptic number.

2772826783 is a deficient number, since it is larger than the sum of its proper divisors (25914377).

2772826783 is a wasteful number, since it uses less digits than its factorization.

2772826783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25914376.

The product of its digits is 3161088, while the sum is 52.

The square root of 2772826783 is about 52657.6374612458. The cubic root of 2772826783 is about 1404.8854460117.

The spelling of 2772826783 in words is "two billion, seven hundred seventy-two million, eight hundred twenty-six thousand, seven hundred eighty-three".