9799020100 has 81 divisors (see below), whose sum is σ = 22485084951. Its totient is φ = 3706185600.

The previous prime is 9799020079. The next prime is 9799020139. The reversal of 9799020100 is 10209979.

The square root of 9799020100 is 98990.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1230185476 + 8568834624 = 35074^2 + 92568^2 .

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 9799020100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18807840 + ... + 18808360.

Almost surely, 2^9799020100 is an apocalyptic number.

9799020100 is the 98990-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9799020100

9799020100 is an abundant number, since it is smaller than the sum of its proper divisors (12686064851).

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

9799020100 is a wasteful number, since it uses less digits than its factorization.

9799020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The cubic root of 9799020100 is about 2139.9036335329.

The spelling of 9799020100 in words is "nine billion, seven hundred ninety-nine million, twenty thousand, one hundred".