28188116112763 has 4 divisors (see below), whose sum is σ = 28461787143088. Its totient is φ = 27914445082440.

The previous prime is 28188116112727. The next prime is 28188116112769. The reversal of 28188116112763 is 36721161188182.

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

It is a cyclic number.

It is not a de Polignac number, because 28188116112763 - 2⁹ = 28188116112251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28188116112769) 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, 136835515008 + ... + 136835515213.

It is an arithmetic number, because the mean of its divisors is an integer number (7115446785772).

Almost surely, 2^{28188116112763} is an apocalyptic number.

28188116112763 is a deficient number, since it is larger than the sum of its proper divisors (273671030325).

28188116112763 is a wasteful number, since it uses less digits than its factorization.

28188116112763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273671030324.

The product of its digits is 1548288, while the sum is 55.

The spelling of 28188116112763 in words is "twenty-eight trillion, one hundred eighty-eight billion, one hundred sixteen million, one hundred twelve thousand, seven hundred sixty-three".