2728155473277 has 64 divisors (see below), whose sum is σ = 4143787468800. Its totient is φ = 1584528998400.

The previous prime is 2728155473221. The next prime is 2728155473279. The reversal of 2728155473277 is 7723745518272.

It is not a de Polignac number, because 2728155473277 - 2¹⁹ = 2728154948989 is a prime.

It is a super-2 number, since 2×2728155473277² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2728155473277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728155473279) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174326349 + ... + 174341997.

It is an arithmetic number, because the mean of its divisors is an integer number (64746679200).

Almost surely, 2^{2728155473277} is an apocalyptic number.

It is an amenable number.

2728155473277 is a deficient number, since it is larger than the sum of its proper divisors (1415631995523).

2728155473277 is a wasteful number, since it uses less digits than its factorization.

2728155473277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19254.

The product of its digits is 46099200, while the sum is 60.

The spelling of 2728155473277 in words is "two trillion, seven hundred twenty-eight billion, one hundred fifty-five million, four hundred seventy-three thousand, two hundred seventy-seven".