99505228850 has 24 divisors (see below), whose sum is σ = 185887955460. Its totient is φ = 39628278720.

The previous prime is 99505228829. The next prime is 99505228873. The reversal of 99505228850 is 5882250599.

It can be written as a sum of positive squares in 6 ways, for example, as 46180720609 + 53324508241 = 214897^2 + 230921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99505228792 and 99505228801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4333757 + ... + 4356656.

Almost surely, 2^99505228850 is an apocalyptic number.

99505228850 is a deficient number, since it is larger than the sum of its proper divisors (86382726610).

99505228850 is a wasteful number, since it uses less digits than its factorization.

99505228850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8690654 (or 8690649 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 53.

The spelling of 99505228850 in words is "ninety-nine billion, five hundred five million, two hundred twenty-eight thousand, eight hundred fifty".