2784723379 has 2 divisors, whose sum is σ = 2784723380. Its totient is φ = 2784723378.

The previous prime is 2784723371. The next prime is 2784723407. The reversal of 2784723379 is 9733274872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2784723379 - 2³ = 2784723371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2784723371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392361689 + 1392361690.

It is an arithmetic number, because the mean of its divisors is an integer number (1392361690).

Almost surely, 2^2784723379 is an apocalyptic number.

2784723379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784723379 is an equidigital number, since it uses as much as digits as its factorization.

2784723379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 52.

The square root of 2784723379 is about 52770.4782904230. The cubic root of 2784723379 is about 1406.8917630602.

The spelling of 2784723379 in words is "two billion, seven hundred eighty-four million, seven hundred twenty-three thousand, three hundred seventy-nine".