2065765277 has 2 divisors, whose sum is σ = 2065765278. Its totient is φ = 2065765276.

The previous prime is 2065765249. The next prime is 2065765313. The reversal of 2065765277 is 7725675602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1722997081 + 342768196 = 41509^2 + 18514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065765277 - 2⁶ = 2065765213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065765477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032882638 + 1032882639.

It is an arithmetic number, because the mean of its divisors is an integer number (1032882639).

Almost surely, 2^2065765277 is an apocalyptic number.

It is an amenable number.

2065765277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065765277 is an equidigital number, since it uses as much as digits as its factorization.

2065765277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The square root of 2065765277 is about 45450.6906108147. The cubic root of 2065765277 is about 1273.5822306975.

The spelling of 2065765277 in words is "two billion, sixty-five million, seven hundred sixty-five thousand, two hundred seventy-seven".