99885258899 has 4 divisors (see below), whose sum is σ = 100181654664. Its totient is φ = 99588863136.

The previous prime is 99885258877. The next prime is 99885258901.

99885258899 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99885258899 - 2¹⁶ = 99885193363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99885258299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148197377 + ... + 148198050.

It is an arithmetic number, because the mean of its divisors is an integer number (25045413666).

Almost surely, 2^99885258899 is an apocalyptic number.

99885258899 is a deficient number, since it is larger than the sum of its proper divisors (296395765).

99885258899 is a wasteful number, since it uses less digits than its factorization.

99885258899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296395764.

The product of its digits is 1343692800, while the sum is 80.

The spelling of 99885258899 in words is "ninety-nine billion, eight hundred eighty-five million, two hundred fifty-eight thousand, eight hundred ninety-nine".