2773656961 has 8 divisors (see below), whose sum is σ = 2813811264. Its totient is φ = 2733533040.

The previous prime is 2773656959. The next prime is 2773656967. The reversal of 2773656961 is 1696563772.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2773656961 - 2¹ = 2773656959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2773656899 and 2773656908.

It is not an unprimeable number, because it can be changed into a prime (2773656967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228891 + ... + 240703.

It is an arithmetic number, because the mean of its divisors is an integer number (351726408).

Almost surely, 2^2773656961 is an apocalyptic number.

It is an amenable number.

2773656961 is a deficient number, since it is larger than the sum of its proper divisors (40154303).

2773656961 is a wasteful number, since it uses less digits than its factorization.

2773656961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15191.

The product of its digits is 2857680, while the sum is 52.

The square root of 2773656961 is about 52665.5196594508. The cubic root of 2773656961 is about 1405.0256385185.

The spelling of 2773656961 in words is "two billion, seven hundred seventy-three million, six hundred fifty-six thousand, nine hundred sixty-one".