99942894216 has 48 divisors (see below), whose sum is σ = 295285826160. Its totient is φ = 30285725280.

The previous prime is 99942894203. The next prime is 99942894229. The reversal of 99942894216 is 61249824999.

99942894216 is a `hidden beast` number, since 9 + 99 + 42 + 89 + 421 + 6 = 666.

99942894216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (99942894203) and next prime (99942894229).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63094470 + ... + 63096053.

It is an arithmetic number, because the mean of its divisors is an integer number (6151788045).

Almost surely, 2^99942894216 is an apocalyptic number.

It is an amenable number.

99942894216 is an abundant number, since it is smaller than the sum of its proper divisors (195342931944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99942894216 is a wasteful number, since it uses less digits than its factorization.

99942894216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126190546 (or 126190539 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 99942894216 in words is "ninety-nine billion, nine hundred forty-two million, eight hundred ninety-four thousand, two hundred sixteen".