2748828665 has 32 divisors (see below), whose sum is σ = 3676907520. Its totient is φ = 1955923200.

The previous prime is 2748828661. The next prime is 2748828701. The reversal of 2748828665 is 5668288472.

It is a happy number.

It is not a de Polignac number, because 2748828665 - 2² = 2748828661 is a prime.

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 2748828665.

It is not an unprimeable number, because it can be changed into a prime (2748828661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658856 + ... + 663014.

It is an arithmetic number, because the mean of its divisors is an integer number (114903360).

Almost surely, 2^2748828665 is an apocalyptic number.

It is an amenable number.

2748828665 is a deficient number, since it is larger than the sum of its proper divisors (928078855).

2748828665 is a wasteful number, since it uses less digits than its factorization.

2748828665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its digits is 10321920, while the sum is 56.

The square root of 2748828665 is about 52429.2729779844. The cubic root of 2748828665 is about 1400.8207203067.

The spelling of 2748828665 in words is "two billion, seven hundred forty-eight million, eight hundred twenty-eight thousand, six hundred sixty-five".