2773947223 has 4 divisors (see below), whose sum is σ = 2894553648. Its totient is φ = 2653340800.

The previous prime is 2773947193. The next prime is 2773947229. The reversal of 2773947223 is 3227493772.

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

It is a cyclic number.

It is not a de Polignac number, because 2773947223 - 2²¹ = 2771850071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773947229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60303178 + ... + 60303223.

It is an arithmetic number, because the mean of its divisors is an integer number (723638412).

Almost surely, 2^2773947223 is an apocalyptic number.

2773947223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2773947223 is a deficient number, since it is larger than the sum of its proper divisors (120606425).

2773947223 is a wasteful number, since it uses less digits than its factorization.

2773947223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120606424.

The product of its digits is 889056, while the sum is 46.

The square root of 2773947223 is about 52668.2752992729. The cubic root of 2773947223 is about 1405.0746485838.

The spelling of 2773947223 in words is "two billion, seven hundred seventy-three million, nine hundred forty-seven thousand, two hundred twenty-three".