99983344587 has 16 divisors (see below), whose sum is σ = 161317665792. Its totient is φ = 53772554880.

The previous prime is 99983344523. The next prime is 99983344633. The reversal of 99983344587 is 78544338999.

It is not a de Polignac number, because 99983344587 - 2⁶ = 99983344523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99983354587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140032339 + ... + 140033052.

It is an arithmetic number, because the mean of its divisors is an integer number (10082354112).

Almost surely, 2^99983344587 is an apocalyptic number.

99983344587 is a deficient number, since it is larger than the sum of its proper divisors (61334321205).

99983344587 is a wasteful number, since it uses less digits than its factorization.

99983344587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280065418.

The product of its digits is 235146240, while the sum is 69.

The spelling of 99983344587 in words is "ninety-nine billion, nine hundred eighty-three million, three hundred forty-four thousand, five hundred eighty-seven".