2065677872 has 20 divisors (see below), whose sum is σ = 4212896280. Its totient is φ = 978478848.

The previous prime is 2065677869. The next prime is 2065677877. The reversal of 2065677872 is 2787765602.

It is a self number, because there is not a number n which added to its sum of digits gives 2065677872.

It is not an unprimeable number, because it can be changed into a prime (2065677877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397193 + ... + 3397800.

It is an arithmetic number, because the mean of its divisors is an integer number (210644814).

Almost surely, 2^2065677872 is an apocalyptic number.

It is an amenable number.

2065677872 is an abundant number, since it is smaller than the sum of its proper divisors (2147218408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065677872 is a wasteful number, since it uses less digits than its factorization.

2065677872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795020 (or 6795014 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 2065677872 is about 45449.7290640989. The cubic root of 2065677872 is about 1273.5642681816.

The spelling of 2065677872 in words is "two billion, sixty-five million, six hundred seventy-seven thousand, eight hundred seventy-two".