99528775018 has 16 divisors (see below), whose sum is σ = 152946367560. Its totient is φ = 48546841600.

The previous prime is 99528775013. The next prime is 99528775019. The reversal of 99528775018 is 81057782599.

It can be written as a sum of positive squares in 4 ways, for example, as 36380603169 + 63148171849 = 190737^2 + 251293^2 .

It is not an unprimeable number, because it can be changed into a prime (99528775013) 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 7 ways as a sum of consecutive naturals, for example, 1217388 + ... + 1296568.

Almost surely, 2^99528775018 is an apocalyptic number.

99528775018 is a deficient number, since it is larger than the sum of its proper divisors (53417592542).

99528775018 is a wasteful number, since it uses less digits than its factorization.

99528775018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94553.

The product of its (nonzero) digits is 12700800, while the sum is 61.

The spelling of 99528775018 in words is "ninety-nine billion, five hundred twenty-eight million, seven hundred seventy-five thousand, eighteen".