2776311328361 has 8 divisors (see below), whose sum is σ = 2782380391848. Its totient is φ = 2770247680000.

The previous prime is 2776311328333. The next prime is 2776311328379. The reversal of 2776311328361 is 1638231136772.

It can be written as a sum of positive squares in 4 ways, for example, as 2101398144400 + 674913183961 = 1449620^2 + 821531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2776311328361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2776311328381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326420 + ... + 2378901.

It is an arithmetic number, because the mean of its divisors is an integer number (347797548981).

Almost surely, 2^{2776311328361} is an apocalyptic number.

It is an amenable number.

2776311328361 is a deficient number, since it is larger than the sum of its proper divisors (6069063487).

2776311328361 is a wasteful number, since it uses less digits than its factorization.

2776311328361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707563.

The product of its digits is 1524096, while the sum is 50.

The spelling of 2776311328361 in words is "two trillion, seven hundred seventy-six billion, three hundred eleven million, three hundred twenty-eight thousand, three hundred sixty-one".