99576067599 has 12 divisors (see below), whose sum is σ = 143884455000. Its totient is φ = 66359880144.

The previous prime is 99576067561. The next prime is 99576067609.

99576067599 is a `hidden beast` number, since 9 + 9 + 5 + 7 + 606 + 7 + 5 + 9 + 9 = 666.

99576067599 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99576067599 - 2²⁸ = 99307632143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99576067519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1987629 + ... + 2037110.

It is an arithmetic number, because the mean of its divisors is an integer number (11990371250).

Almost surely, 2^99576067599 is an apocalyptic number.

99576067599 is a deficient number, since it is larger than the sum of its proper divisors (44308387401).

99576067599 is a wasteful number, since it uses less digits than its factorization.

99576067599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027494 (or 4027491 counting only the distinct ones).

The product of its (nonzero) digits is 289340100, while the sum is 72.

The spelling of 99576067599 in words is "ninety-nine billion, five hundred seventy-six million, sixty-seven thousand, five hundred ninety-nine".