4047782265 has 12 divisors (see below), whose sum is σ = 7016156004. Its totient is φ = 2158817184.

The previous prime is 4047782237. The next prime is 4047782267. The reversal of 4047782265 is 5622877404.

It is a happy number.

4047782265 is a `hidden beast` number, since 40 + 477 + 82 + 2 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2053177344 + 1994604921 = 45312^2 + 44661^2 .

It is not a de Polignac number, because 4047782265 - 2⁶ = 4047782201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 89950717 = 4047782265 / (4 + 0 + 4 + 7 + 7 + 8 + 2 + 2 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4047782265.

It is not an unprimeable number, because it can be changed into a prime (4047782267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44975314 + ... + 44975403.

It is an arithmetic number, because the mean of its divisors is an integer number (584679667).

Almost surely, 2^4047782265 is an apocalyptic number.

4047782265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4047782265 is a deficient number, since it is larger than the sum of its proper divisors (2968373739).

4047782265 is a wasteful number, since it uses less digits than its factorization.

4047782265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89950728 (or 89950725 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4047782265 is about 63622.1837490666. The cubic root of 4047782265 is about 1593.6968506382.

The spelling of 4047782265 in words is "four billion, forty-seven million, seven hundred eighty-two thousand, two hundred sixty-five".