99384774845 has 8 divisors (see below), whose sum is σ = 119268149760. Its totient is φ = 79503539920.

The previous prime is 99384774833. The next prime is 99384774857. The reversal of 99384774845 is 54847748399.

It is an interprime number because it is at equal distance from previous prime (99384774833) and next prime (99384774857).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99384774845 - 2⁶ = 99384774781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430985 + ... + 620094.

It is an arithmetic number, because the mean of its divisors is an integer number (14908518720).

Almost surely, 2^99384774845 is an apocalyptic number.

It is an amenable number.

99384774845 is a deficient number, since it is larger than the sum of its proper divisors (19883374915).

99384774845 is a wasteful number, since it uses less digits than its factorization.

99384774845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069995.

The product of its digits is 243855360, while the sum is 68.

The spelling of 99384774845 in words is "ninety-nine billion, three hundred eighty-four million, seven hundred seventy-four thousand, eight hundred forty-five".