2748775879 has 2 divisors, whose sum is σ = 2748775880. Its totient is φ = 2748775878.

The previous prime is 2748775877. The next prime is 2748775907. The reversal of 2748775879 is 9785778472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2748775879 - 2¹ = 2748775877 is a prime.

Together with 2748775877, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2748775879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748775877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374387939 + 1374387940.

It is an arithmetic number, because the mean of its divisors is an integer number (1374387940).

Almost surely, 2^2748775879 is an apocalyptic number.

2748775879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748775879 is an equidigital number, since it uses as much as digits as its factorization.

2748775879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55319040, while the sum is 64.

The square root of 2748775879 is about 52428.7695735843. The cubic root of 2748775879 is about 1400.8117535546.

The spelling of 2748775879 in words is "two billion, seven hundred forty-eight million, seven hundred seventy-five thousand, eight hundred seventy-nine".