2775842748 has 144 divisors (see below), whose sum is σ = 8358604800. Its totient is φ = 776061216.

The previous prime is 2775842647. The next prime is 2775842777. The reversal of 2775842748 is 8472485772.

It is a junction number, because it is equal to n+sod(n) for n = 2775842694 and 2775842703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577965 + ... + 582747.

Almost surely, 2^2775842748 is an apocalyptic number.

2775842748 is a gapful number since it is divisible by the number (28) 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 2775842748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4179302400).

2775842748 is an abundant number, since it is smaller than the sum of its proper divisors (5582762052).

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

2775842748 is a wasteful number, since it uses less digits than its factorization.

2775842748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4842 counting only the distinct ones).

The product of its digits is 7024640, while the sum is 54.

The square root of 2775842748 is about 52686.2671670712. The cubic root of 2775842748 is about 1405.3946195479.

The spelling of 2775842748 in words is "two billion, seven hundred seventy-five million, eight hundred forty-two thousand, seven hundred forty-eight".