2772826673 has 4 divisors (see below), whose sum is σ = 2773239540. Its totient is φ = 2772413808.

The previous prime is 2772826613. The next prime is 2772826681. The reversal of 2772826673 is 3766282772.

2772826673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1992015424 + 780811249 = 44632^2 + 27943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772826673 - 2²² = 2768632369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772826603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196190 + ... + 209847.

It is an arithmetic number, because the mean of its divisors is an integer number (693309885).

Almost surely, 2^2772826673 is an apocalyptic number.

It is an amenable number.

2772826673 is a deficient number, since it is larger than the sum of its proper divisors (412867).

2772826673 is an equidigital number, since it uses as much as digits as its factorization.

2772826673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412866.

The product of its digits is 2370816, while the sum is 50.

The square root of 2772826673 is about 52657.6364167630. The cubic root of 2772826673 is about 1404.8854274341.

The spelling of 2772826673 in words is "two billion, seven hundred seventy-two million, eight hundred twenty-six thousand, six hundred seventy-three".