99785512 has 64 divisors (see below), whose sum is σ = 206219520. Its totient is φ = 45078528.

The previous prime is 99785509. The next prime is 99785531. The reversal of 99785512 is 21558799.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 428148 + ... + 428380.

It is an arithmetic number, because the mean of its divisors is an integer number (3222180).

Almost surely, 2^99785512 is an apocalyptic number.

It is an amenable number.

99785512 is an abundant number, since it is smaller than the sum of its proper divisors (106434008).

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

99785512 is a wasteful number, since it uses less digits than its factorization.

99785512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 366 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 99785512 is about 9989.2698431867. The cubic root of 99785512 is about 463.8267907798.

The spelling of 99785512 in words is "ninety-nine million, seven hundred eighty-five thousand, five hundred twelve".