108727996997 has 2 divisors, whose sum is σ = 108727996998. Its totient is φ = 108727996996.

The previous prime is 108727996901. The next prime is 108727997009. The reversal of 108727996997 is 799699727801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92006662276 + 16721334721 = 303326^2 + 129311^2 .

It is a cyclic number.

It is not a de Polignac number, because 108727996997 - 2¹⁶ = 108727931461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108727996697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54363998498 + 54363998499.

It is an arithmetic number, because the mean of its divisors is an integer number (54363998499).

Almost surely, 2^108727996997 is an apocalyptic number.

It is an amenable number.

108727996997 is a deficient number, since it is larger than the sum of its proper divisors (1).

108727996997 is an equidigital number, since it uses as much as digits as its factorization.

108727996997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216040608, while the sum is 74.

The spelling of 108727996997 in words is "one hundred eight billion, seven hundred twenty-seven million, nine hundred ninety-six thousand, nine hundred ninety-seven".