2728867118766 has 32 divisors (see below), whose sum is σ = 5512861935360. Its totient is φ = 900441282624.

The previous prime is 2728867118759. The next prime is 2728867118771. The reversal of 2728867118766 is 6678117688272.

It is a self number, because there is not a number n which added to its sum of digits gives 2728867118766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737746 + ... + 2449898.

It is an arithmetic number, because the mean of its divisors is an integer number (172276935480).

Almost surely, 2^{2728867118766} is an apocalyptic number.

2728867118766 is an abundant number, since it is smaller than the sum of its proper divisors (2783994816594).

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

2728867118766 is a wasteful number, since it uses less digits than its factorization.

2728867118766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714840.

The product of its digits is 151732224, while the sum is 69.

The spelling of 2728867118766 in words is "two trillion, seven hundred twenty-eight billion, eight hundred sixty-seven million, one hundred eighteen thousand, seven hundred sixty-six".