99785066804 has 12 divisors (see below), whose sum is σ = 184895859204. Its totient is φ = 46957678464.

The previous prime is 99785066803. The next prime is 99785066819. The reversal of 99785066804 is 40866058799.

It can be written as a sum of positive squares in 2 ways, for example, as 71261234704 + 28523832100 = 266948^2 + 168890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99785066803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733713659 + ... + 733713794.

It is an arithmetic number, because the mean of its divisors is an integer number (15407988267).

Almost surely, 2^99785066804 is an apocalyptic number.

It is an amenable number.

99785066804 is a deficient number, since it is larger than the sum of its proper divisors (85110792400).

99785066804 is a wasteful number, since it uses less digits than its factorization.

99785066804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467427474 (or 1467427472 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 99785066804 in words is "ninety-nine billion, seven hundred eighty-five million, sixty-six thousand, eight hundred four".