108997817800804 has 9 divisors (see below), whose sum is σ = 190746217692121. Its totient is φ = 54498898460200.

The previous prime is 108997817800801. The next prime is 108997817800873. The reversal of 108997817800804 is 408008718799801.

The square root of 108997817800804 is 10440202.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35118010404 + 108962699790400 = 187398^2 + 10438520^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108997817800801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18270354 + ... + 23490454.

Almost surely, 2^{108997817800804} is an apocalyptic number.

108997817800804 is the 10440202-nd square number.

It is an amenable number.

108997817800804 is a deficient number, since it is larger than the sum of its proper divisors (81748399891317).

108997817800804 is an frugal number, since it uses more digits than its factorization.

108997817800804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440206 (or 5220103 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 70.

The spelling of 108997817800804 in words is "one hundred eight trillion, nine hundred ninety-seven billion, eight hundred seventeen million, eight hundred thousand, eight hundred four".