99216861299 has 8 divisors (see below), whose sum is σ = 99431366640. Its totient is φ = 99002532096.

The previous prime is 99216861283. The next prime is 99216861313.

99216861299 is nontrivially palindromic in base 10.

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 99216861299 - 2⁴ = 99216861283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99216861229) 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, 1116599 + ... + 1202175.

It is an arithmetic number, because the mean of its divisors is an integer number (12428920830).

Almost surely, 2^99216861299 is an apocalyptic number.

99216861299 is a deficient number, since it is larger than the sum of its proper divisors (214505341).

99216861299 is a wasteful number, since it uses less digits than its factorization.

99216861299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88069.

The product of its digits is 7558272, while the sum is 62.

The spelling of 99216861299 in words is "ninety-nine billion, two hundred sixteen million, eight hundred sixty-one thousand, two hundred ninety-nine".