2276728927779 has 4 divisors (see below), whose sum is σ = 3035638570376. Its totient is φ = 1517819285184.

The previous prime is 2276728927777. The next prime is 2276728927783. The reversal of 2276728927779 is 9777298276722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2276728927779 - 2¹ = 2276728927777 is a prime.

It is a super-3 number, since 3×2276728927779³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2276728927779.

It is not an unprimeable number, because it can be changed into a prime (2276728927771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379454821294 + ... + 379454821299.

It is an arithmetic number, because the mean of its divisors is an integer number (758909642594).

Almost surely, 2^{2276728927779} is an apocalyptic number.

2276728927779 is a deficient number, since it is larger than the sum of its proper divisors (758909642597).

2276728927779 is an equidigital number, since it uses as much as digits as its factorization.

2276728927779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758909642596.

The product of its digits is 1045529856, while the sum is 75.

The spelling of 2276728927779 in words is "two trillion, two hundred seventy-six billion, seven hundred twenty-eight million, nine hundred twenty-seven thousand, seven hundred seventy-nine".