2775823824 has 80 divisors (see below), whose sum is σ = 7420667904. Its totient is φ = 893193600.

The previous prime is 2775823823. The next prime is 2775823859. The reversal of 2775823824 is 4283285772.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775823823) 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 15 ways as a sum of consecutive naturals, for example, 657079 + ... + 661289.

Almost surely, 2^2775823824 is an apocalyptic number.

2775823824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2775823824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3710333952).

2775823824 is an abundant number, since it is smaller than the sum of its proper divisors (4644844080).

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

2775823824 is a wasteful number, since it uses less digits than its factorization.

2775823824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 4690 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 2775823824 is about 52686.0875753742. The cubic root of 2775823824 is about 1405.3914258334.

The spelling of 2775823824 in words is "two billion, seven hundred seventy-five million, eight hundred twenty-three thousand, eight hundred twenty-four".