108727997009 has 2 divisors, whose sum is σ = 108727997010. Its totient is φ = 108727997008.

The previous prime is 108727996997. The next prime is 108727997017. The reversal of 108727997009 is 900799727801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66166243984 + 42561753025 = 257228^2 + 206305^2 .

It is a cyclic number.

It is not a de Polignac number, because 108727997009 - 2⁸ = 108727996753 is a prime.

It is a super-2 number, since 2×108727997009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108727997029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54363998504 + 54363998505.

It is an arithmetic number, because the mean of its divisors is an integer number (54363998505).

Almost surely, 2^108727997009 is an apocalyptic number.

It is an amenable number.

108727997009 is a deficient number, since it is larger than the sum of its proper divisors (1).

108727997009 is an equidigital number, since it uses as much as digits as its factorization.

108727997009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 59.

The spelling of 108727997009 in words is "one hundred eight billion, seven hundred twenty-seven million, nine hundred ninety-seven thousand, nine".