2773656764 has 6 divisors (see below), whose sum is σ = 4853899344. Its totient is φ = 1386828380.

The previous prime is 2773656761. The next prime is 2773656793. The reversal of 2773656764 is 4676563772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773656761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346707092 + ... + 346707099.

It is an arithmetic number, because the mean of its divisors is an integer number (808983224).

Almost surely, 2^2773656764 is an apocalyptic number.

It is an amenable number.

2773656764 is a deficient number, since it is larger than the sum of its proper divisors (2080242580).

2773656764 is a wasteful number, since it uses less digits than its factorization.

2773656764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693414195 (or 693414193 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 53.

The square root of 2773656764 is about 52665.5177891569. The cubic root of 2773656764 is about 1405.0256052543.

The spelling of 2773656764 in words is "two billion, seven hundred seventy-three million, six hundred fifty-six thousand, seven hundred sixty-four".