108409086827 has 4 divisors (see below), whose sum is σ = 111906154176. Its totient is φ = 104912019480.

The previous prime is 108409086823. The next prime is 108409086833. The reversal of 108409086827 is 728680904801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728680904801 = 53 ⋅13748696317.

It is a cyclic number.

It is not a de Polignac number, because 108409086827 - 2² = 108409086823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108409086823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748533628 + ... + 1748533689.

It is an arithmetic number, because the mean of its divisors is an integer number (27976538544).

Almost surely, 2^108409086827 is an apocalyptic number.

108409086827 is a deficient number, since it is larger than the sum of its proper divisors (3497067349).

108409086827 is an equidigital number, since it uses as much as digits as its factorization.

108409086827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497067348.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 108409086827 in words is "one hundred eight billion, four hundred nine million, eighty-six thousand, eight hundred twenty-seven".