2777081368 has 8 divisors (see below), whose sum is σ = 5207027580. Its totient is φ = 1388540680.

The previous prime is 2777081323. The next prime is 2777081369. The reversal of 2777081368 is 8631807772.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777081369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173567578 + ... + 173567593.

Almost surely, 2^2777081368 is an apocalyptic number.

It is an amenable number.

2777081368 is a deficient number, since it is larger than the sum of its proper divisors (2429946212).

2777081368 is a wasteful number, since it uses less digits than its factorization.

2777081368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347135177 (or 347135173 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 2777081368 is about 52698.0205320845. The cubic root of 2777081368 is about 1405.6036240666.

The spelling of 2777081368 in words is "two billion, seven hundred seventy-seven million, eighty-one thousand, three hundred sixty-eight".