99990000009997 has 8 divisors (see below), whose sum is σ = 100911008246400. Its totient is φ = 99069058479024.

The previous prime is 99990000009989. The next prime is 99990000010031. The reversal of 99990000009997 is 79990000009999.

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

It is a cyclic number.

It is not a de Polignac number, because 99990000009997 - 2³ = 99990000009989 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 (99990000049997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13662097 + ... + 19662982.

It is an arithmetic number, because the mean of its divisors is an integer number (12613876030800).

Almost surely, 2^{99990000009997} is an apocalyptic number.

It is an amenable number.

99990000009997 is a deficient number, since it is larger than the sum of its proper divisors (921008236403).

99990000009997 is a wasteful number, since it uses less digits than its factorization.

99990000009997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33352715.

The product of its (nonzero) digits is 33480783, while the sum is 70.

The spelling of 99990000009997 in words is "ninety-nine trillion, nine hundred ninety billion, nine thousand, nine hundred ninety-seven".