99785813316 has 48 divisors (see below), whose sum is σ = 267565683840. Its totient is φ = 28352712960.

The previous prime is 99785813297. The next prime is 99785813327. The reversal of 99785813316 is 61331858799.

It is a self number, because there is not a number n which added to its sum of digits gives 99785813316.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3266361 + ... + 3296768.

It is an arithmetic number, because the mean of its divisors is an integer number (5574285080).

Almost surely, 2^99785813316 is an apocalyptic number.

It is an amenable number.

99785813316 is an abundant number, since it is smaller than the sum of its proper divisors (167779870524).

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

99785813316 is a wasteful number, since it uses less digits than its factorization.

99785813316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563324 (or 6563322 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 60.

The spelling of 99785813316 in words is "ninety-nine billion, seven hundred eighty-five million, eight hundred thirteen thousand, three hundred sixteen".