99647548900 has 27 divisors (see below), whose sum is σ = 216242031369. Its totient is φ = 39857756880.

The previous prime is 99647548873. The next prime is 99647548901. The reversal of 99647548900 is 984574699.

The square root of 99647548900 is 315670.

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., 35873117604 + 63774431296 = 189402^2 + 252536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99647548901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3140917 + ... + 3172483.

Almost surely, 2^99647548900 is an apocalyptic number.

99647548900 is the 315670-th square number.

It is an amenable number.

99647548900 is an abundant number, since it is smaller than the sum of its proper divisors (116594482469).

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

99647548900 is an frugal number, since it uses more digits than its factorization.

99647548900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63148 (or 31574 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 99647548900 in words is "ninety-nine billion, six hundred forty-seven million, five hundred forty-eight thousand, nine hundred".