2772856323 has 12 divisors (see below), whose sum is σ = 4044894048. Its totient is φ = 1830267600.

The previous prime is 2772856319. The next prime is 2772856327. The reversal of 2772856323 is 3236582772.

2772856323 is a `hidden beast` number, since 2 + 7 + 7 + 2 + 8 + 5 + 632 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (2772856319) and next prime (2772856327).

It is not a de Polignac number, because 2772856323 - 2² = 2772856319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2772856327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524315 + ... + 1526132.

It is an arithmetic number, because the mean of its divisors is an integer number (337074504).

Almost surely, 2^2772856323 is an apocalyptic number.

2772856323 is a deficient number, since it is larger than the sum of its proper divisors (1272037725).

2772856323 is a wasteful number, since it uses less digits than its factorization.

2772856323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050554 (or 3050551 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 2772856323 is about 52657.9179516243. The cubic root of 2772856323 is about 1404.8904349240.

The spelling of 2772856323 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-six thousand, three hundred twenty-three".