2776852385 has 4 divisors (see below), whose sum is σ = 3332222868. Its totient is φ = 2221481904.

The previous prime is 2776852339. The next prime is 2776852417. The reversal of 2776852385 is 5832586772.

It is a happy number.

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 2110851136 + 666001249 = 45944^2 + 25807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2776852385 - 2⁸ = 2776852129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277685234 + ... + 277685243.

It is an arithmetic number, because the mean of its divisors is an integer number (833055717).

Almost surely, 2^2776852385 is an apocalyptic number.

It is an amenable number.

2776852385 is a deficient number, since it is larger than the sum of its proper divisors (555370483).

2776852385 is an equidigital number, since it uses as much as digits as its factorization.

2776852385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555370482.

The product of its digits is 5644800, while the sum is 53.

The square root of 2776852385 is about 52695.8478914611. The cubic root of 2776852385 is about 1405.5649901990.

The spelling of 2776852385 in words is "two billion, seven hundred seventy-six million, eight hundred fifty-two thousand, three hundred eighty-five".