99700729991 has 8 divisors (see below), whose sum is σ = 105571746000. Its totient is φ = 93830410368.

The previous prime is 99700729987. The next prime is 99700730009. The reversal of 99700729991 is 19992700799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99700729991 - 2² = 99700729987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99700779991) 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, 136520 + ... + 466946.

It is an arithmetic number, because the mean of its divisors is an integer number (13196468250).

Almost surely, 2^99700729991 is an apocalyptic number.

99700729991 is a deficient number, since it is larger than the sum of its proper divisors (5871016009).

99700729991 is a wasteful number, since it uses less digits than its factorization.

99700729991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348193.

The product of its (nonzero) digits is 5786802, while the sum is 62.

The spelling of 99700729991 in words is "ninety-nine billion, seven hundred million, seven hundred twenty-nine thousand, nine hundred ninety-one".