99700029992 has 8 divisors (see below), whose sum is σ = 186937556250. Its totient is φ = 49850014992.

The previous prime is 99700029977. The next prime is 99700030013. The reversal of 99700029992 is 29992000799.

It can be written as a sum of positive squares in only one way, i.e., 99549084196 + 150945796 = 315514^2 + 12286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 6231251867 + ... + 6231251882.

Almost surely, 2^99700029992 is an apocalyptic number.

It is an amenable number.

99700029992 is a deficient number, since it is larger than the sum of its proper divisors (87237526258).

99700029992 is a wasteful number, since it uses less digits than its factorization.

99700029992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462503755 (or 12462503751 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The spelling of 99700029992 in words is "ninety-nine billion, seven hundred million, twenty-nine thousand, nine hundred ninety-two".