99716745812 has 6 divisors (see below), whose sum is σ = 174504305178. Its totient is φ = 49858372904.

The previous prime is 99716745797. The next prime is 99716745841. The reversal of 99716745812 is 21854761799.

It can be written as a sum of positive squares in only one way, i.e., 74586887236 + 25129858576 = 273106^2 + 158524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12464593223 + ... + 12464593230.

It is an arithmetic number, because the mean of its divisors is an integer number (29084050863).

Almost surely, 2^99716745812 is an apocalyptic number.

It is an amenable number.

99716745812 is a deficient number, since it is larger than the sum of its proper divisors (74787559366).

99716745812 is a wasteful number, since it uses less digits than its factorization.

99716745812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24929186457 (or 24929186455 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The spelling of 99716745812 in words is "ninety-nine billion, seven hundred sixteen million, seven hundred forty-five thousand, eight hundred twelve".