2983565778 has 16 divisors (see below), whose sum is σ = 6010062240. Its totient is φ = 987366816.

The previous prime is 2983565771. The next prime is 2983565803. The reversal of 2983565778 is 8775653892.

It is not an unprimeable number, because it can be changed into a prime (2983565771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787875 + ... + 1789542.

It is an arithmetic number, because the mean of its divisors is an integer number (375628890).

Almost surely, 2^2983565778 is an apocalyptic number.

2983565778 is an abundant number, since it is smaller than the sum of its proper divisors (3026496462).

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

2983565778 is a wasteful number, since it uses less digits than its factorization.

2983565778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577561.

The product of its digits is 25401600, while the sum is 60.

The square root of 2983565778 is about 54622.0264911510. The cubic root of 2983565778 is about 1439.6111633393.

The spelling of 2983565778 in words is "two billion, nine hundred eighty-three million, five hundred sixty-five thousand, seven hundred seventy-eight".