99700729990 has 16 divisors (see below), whose sum is σ = 179467342848. Its totient is φ = 39878952256.

The previous prime is 99700729987. The next prime is 99700730009. The reversal of 99700729990 is 9992700799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179274 + ... + 481186.

It is an arithmetic number, because the mean of its divisors is an integer number (11216708928).

Almost surely, 2^99700729990 is an apocalyptic number.

99700729990 is a deficient number, since it is larger than the sum of its proper divisors (79766612858).

99700729990 is a wasteful number, since it uses less digits than its factorization.

99700729990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334943.

The product of its (nonzero) digits is 5786802, while the sum is 61.

The spelling of 99700729990 in words is "ninety-nine billion, seven hundred million, seven hundred twenty-nine thousand, nine hundred ninety".