99727700228 has 48 divisors (see below), whose sum is σ = 194077632000. Its totient is φ = 44528140800.

The previous prime is 99727700221. The next prime is 99727700279. The reversal of 99727700228 is 82200772799.

99727700228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×99727700228² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99727700228.

It is not an unprimeable number, because it can be changed into a prime (99727700221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5631548 + ... + 5649228.

It is an arithmetic number, because the mean of its divisors is an integer number (4043284000).

Almost surely, 2^99727700228 is an apocalyptic number.

It is an amenable number.

99727700228 is a deficient number, since it is larger than the sum of its proper divisors (94349931772).

99727700228 is a wasteful number, since it uses less digits than its factorization.

99727700228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228 (or 21226 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 99727700228 in words is "ninety-nine billion, seven hundred twenty-seven million, seven hundred thousand, two hundred twenty-eight".