2108797708900 has 81 divisors (see below), whose sum is σ = 4830246059961. Its totient is φ = 799018786080.

The previous prime is 2108797708883. The next prime is 2108797708909. The reversal of 2108797708900 is 98077978012.

The square root of 2108797708900 is 1452170.

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., 759167175204 + 1349630533696 = 871302^2 + 1161736^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108797708909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 275908479 + ... + 275916121.

Almost surely, 2^{2108797708900} is an apocalyptic number.

2108797708900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2108797708900 is the 1452170-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108797708900

2108797708900 is an abundant number, since it is smaller than the sum of its proper divisors (2721448351061).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108797708900 is an frugal number, since it uses more digits than its factorization.

2108797708900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338 (or 7669 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 58.

The spelling of 2108797708900 in words is "two trillion, one hundred eight billion, seven hundred ninety-seven million, seven hundred eight thousand, nine hundred".