108216926839 has 24 divisors (see below), whose sum is σ = 126330066720. Its totient is φ = 92430003456.

The previous prime is 108216926777. The next prime is 108216926863. The reversal of 108216926839 is 938629612801.

It is not a de Polignac number, because 108216926839 - 2²¹ = 108214829687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108216926839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108216926869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19187982 + ... + 19193620.

It is an arithmetic number, because the mean of its divisors is an integer number (5263752780).

Almost surely, 2^108216926839 is an apocalyptic number.

108216926839 is a deficient number, since it is larger than the sum of its proper divisors (18113139881).

108216926839 is an equidigital number, since it uses as much as digits as its factorization.

108216926839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 108216926839 in words is "one hundred eight billion, two hundred sixteen million, nine hundred twenty-six thousand, eight hundred thirty-nine".