2776012345 has 4 divisors (see below), whose sum is σ = 3331214820. Its totient is φ = 2220809872.

The previous prime is 2776012333. The next prime is 2776012367. The reversal of 2776012345 is 5432106772.

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 1691759161 + 1084253184 = 41131^2 + 32928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2776012345 - 2²³ = 2767623737 is a prime.

It is an unprimeable number.

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, 277601230 + ... + 277601239.

It is an arithmetic number, because the mean of its divisors is an integer number (832803705).

Almost surely, 2^2776012345 is an apocalyptic number.

It is an amenable number.

2776012345 is a deficient number, since it is larger than the sum of its proper divisors (555202475).

2776012345 is an equidigital number, since it uses as much as digits as its factorization.

2776012345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555202474.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2776012345 is about 52687.8766415956. The cubic root of 2776012345 is about 1405.4232409888.

The spelling of 2776012345 in words is "two billion, seven hundred seventy-six million, twelve thousand, three hundred forty-five".