108089387961769 has 4 divisors (see below), whose sum is σ = 110128810376196. Its totient is φ = 106049965547344.

The previous prime is 108089387961767. The next prime is 108089387961839. The reversal of 108089387961769 is 967169783980801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49436535956544 + 58652852005225 = 7031112^2 + 7658515^2 .

It is a cyclic number.

It is not a de Polignac number, because 108089387961769 - 2¹ = 108089387961767 is a prime.

It is a super-2 number, since 2×108089387961769² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108089387961692 and 108089387961701.

It is not an unprimeable number, because it can be changed into a prime (108089387961767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019711207134 + ... + 1019711207239.

It is an arithmetic number, because the mean of its divisors is an integer number (27532202594049).

Almost surely, 2^{108089387961769} is an apocalyptic number.

It is an amenable number.

108089387961769 is a deficient number, since it is larger than the sum of its proper divisors (2039422414427).

108089387961769 is an equidigital number, since it uses as much as digits as its factorization.

108089387961769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039422414426.

The product of its (nonzero) digits is 1975228416, while the sum is 82.

The spelling of 108089387961769 in words is "one hundred eight trillion, eighty-nine billion, three hundred eighty-seven million, nine hundred sixty-one thousand, seven hundred sixty-nine".