2774723385 has 32 divisors (see below), whose sum is σ = 5086897920. Its totient is φ = 1265165568.

The previous prime is 2774723383. The next prime is 2774723389. The reversal of 2774723385 is 5833274772.

It is not a de Polignac number, because 2774723385 - 2¹ = 2774723383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2774723383) 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 31 ways as a sum of consecutive naturals, for example, 6879 + ... + 74811.

It is an arithmetic number, because the mean of its divisors is an integer number (158965560).

Almost surely, 2^2774723385 is an apocalyptic number.

It is an amenable number.

2774723385 is a deficient number, since it is larger than the sum of its proper divisors (2312174535).

2774723385 is a wasteful number, since it uses less digits than its factorization.

2774723385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68337.

The product of its digits is 1975680, while the sum is 48.

The square root of 2774723385 is about 52675.6431854420. The cubic root of 2774723385 is about 1405.2056849449.

The spelling of 2774723385 in words is "two billion, seven hundred seventy-four million, seven hundred twenty-three thousand, three hundred eighty-five".