2773880361 has 24 divisors (see below), whose sum is σ = 4848465024. Its totient is φ = 1491834240.

The previous prime is 2773880321. The next prime is 2773880381. The reversal of 2773880361 is 1630883772.

It is not a de Polignac number, because 2773880361 - 2¹⁰ = 2773879337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2773880321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1293925 + ... + 1296066.

It is an arithmetic number, because the mean of its divisors is an integer number (202019376).

Almost surely, 2^2773880361 is an apocalyptic number.

2773880361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2773880361 is a deficient number, since it is larger than the sum of its proper divisors (2074584663).

2773880361 is a wasteful number, since it uses less digits than its factorization.

2773880361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590021 (or 2590018 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2773880361 is about 52667.6405490126. The cubic root of 2773880361 is about 1405.0633593933.

The spelling of 2773880361 in words is "two billion, seven hundred seventy-three million, eight hundred eighty thousand, three hundred sixty-one".