108217803 has 4 divisors (see below), whose sum is σ = 144290408. Its totient is φ = 72145200.

The previous prime is 108217793. The next prime is 108217841. The reversal of 108217803 is 308712801.

It is a happy number.

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

It is not a de Polignac number, because 108217803 - 2²⁶ = 41108939 is a prime.

It is a super-2 number, since 2×108217803² = 23422185772293618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108217883) 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, 18036298 + ... + 18036303.

It is an arithmetic number, because the mean of its divisors is an integer number (36072602).

Almost surely, 2^108217803 is an apocalyptic number.

108217803 is a deficient number, since it is larger than the sum of its proper divisors (36072605).

108217803 is an equidigital number, since it uses as much as digits as its factorization.

108217803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36072604.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 108217803 is about 10402.7786191959. The cubic root of 108217803 is about 476.5402309178.

The spelling of 108217803 in words is "one hundred eight million, two hundred seventeen thousand, eight hundred three".