99090225796 has 9 divisors (see below), whose sum is σ = 173408996901. Its totient is φ = 49544798112.

The previous prime is 99090225739. The next prime is 99090225797. The reversal of 99090225796 is 69752209099.

The square root of 99090225796 is 314786.

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., 32699488900 + 66390736896 = 180830^2 + 257664^2 .

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 99090225796.

It is not an unprimeable number, because it can be changed into a prime (99090225797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 550876 + ... + 708268.

Almost surely, 2^99090225796 is an apocalyptic number.

99090225796 is the 314786-th square number.

It is an amenable number.

99090225796 is a deficient number, since it is larger than the sum of its proper divisors (74318771105).

99090225796 is an frugal number, since it uses more digits than its factorization.

99090225796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314790 (or 157395 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 99090225796 in words is "ninety-nine billion, ninety million, two hundred twenty-five thousand, seven hundred ninety-six".