108686328077 has 2 divisors, whose sum is σ = 108686328078. Its totient is φ = 108686328076.

The previous prime is 108686328071. The next prime is 108686328103. The reversal of 108686328077 is 770823686801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87690607876 + 20995720201 = 296126^2 + 144899^2 .

It is a cyclic number.

It is not a de Polignac number, because 108686328077 - 2⁸ = 108686327821 is a prime.

It is a super-2 number, since 2×108686328077² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108686328071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54343164038 + 54343164039.

It is an arithmetic number, because the mean of its divisors is an integer number (54343164039).

Almost surely, 2^108686328077 is an apocalyptic number.

It is an amenable number.

108686328077 is a deficient number, since it is larger than the sum of its proper divisors (1).

108686328077 is an equidigital number, since it uses as much as digits as its factorization.

108686328077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 108686328077 in words is "one hundred eight billion, six hundred eighty-six million, three hundred twenty-eight thousand, seventy-seven".