108720083 has 4 divisors (see below), whose sum is σ = 115115400. Its totient is φ = 102324768.

The previous prime is 108720077. The next prime is 108720127. The reversal of 108720083 is 380027801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380027801 = 4273 ⋅88937.

It is not a de Polignac number, because 108720083 - 2²² = 104525779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108720583) 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 3 ways as a sum of consecutive naturals, for example, 3197633 + ... + 3197666.

It is an arithmetic number, because the mean of its divisors is an integer number (28778850).

Almost surely, 2^108720083 is an apocalyptic number.

108720083 is a deficient number, since it is larger than the sum of its proper divisors (6395317).

108720083 is an equidigital number, since it uses as much as digits as its factorization.

108720083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395316.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 108720083 is about 10426.8922982833. The cubic root of 108720083 is about 477.2763613801.

Adding to 108720083 its reverse (380027801), we get a palindrome (488747884).

The spelling of 108720083 in words is "one hundred eight million, seven hundred twenty thousand, eighty-three".