2065797747 has 48 divisors (see below), whose sum is σ = 3348753408. Its totient is φ = 1218525120.

The previous prime is 2065797697. The next prime is 2065797749. The reversal of 2065797747 is 7477975602.

2065797747 is a `hidden beast` number, since 20 + 6 + 579 + 7 + 7 + 47 = 666.

2065797747 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2065797747 - 2⁸ = 2065797491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2065797693 and 2065797702.

It is not an unprimeable number, because it can be changed into a prime (2065797749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385428 + ... + 390750.

It is an arithmetic number, because the mean of its divisors is an integer number (69765696).

Almost surely, 2^2065797747 is an apocalyptic number.

2065797747 is a deficient number, since it is larger than the sum of its proper divisors (1282955661).

2065797747 is a wasteful number, since it uses less digits than its factorization.

2065797747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The square root of 2065797747 is about 45451.0478097040. The cubic root of 2065797747 is about 1273.5889034463.

The spelling of 2065797747 in words is "two billion, sixty-five million, seven hundred ninety-seven thousand, seven hundred forty-seven".