108854376809 has 2 divisors, whose sum is σ = 108854376810. Its totient is φ = 108854376808.

The previous prime is 108854376781. The next prime is 108854376817. The reversal of 108854376809 is 908673458801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105736829584 + 3117547225 = 325172^2 + 55835^2 .

It is a cyclic number.

It is not a de Polignac number, because 108854376809 - 2¹² = 108854372713 is a prime.

It is not a weakly prime, because it can be changed into another prime (108854366809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54427188404 + 54427188405.

It is an arithmetic number, because the mean of its divisors is an integer number (54427188405).

Almost surely, 2^108854376809 is an apocalyptic number.

It is an amenable number.

108854376809 is a deficient number, since it is larger than the sum of its proper divisors (1).

108854376809 is an equidigital number, since it uses as much as digits as its factorization.

108854376809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 108854376809 in words is "one hundred eight billion, eight hundred fifty-four million, three hundred seventy-six thousand, eight hundred nine".