99737688812 has 24 divisors (see below), whose sum is σ = 177958223520. Its totient is φ = 48901916160.

The previous prime is 99737688797. The next prime is 99737688833. The reversal of 99737688812 is 21888673799.

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, 1136864 + ... + 1221447.

It is an arithmetic number, because the mean of its divisors is an integer number (7414925980).

Almost surely, 2^99737688812 is an apocalyptic number.

It is an amenable number.

99737688812 is a deficient number, since it is larger than the sum of its proper divisors (78220534708).

99737688812 is a wasteful number, since it uses less digits than its factorization.

99737688812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358521 (or 2358519 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The spelling of 99737688812 in words is "ninety-nine billion, seven hundred thirty-seven million, six hundred eighty-eight thousand, eight hundred twelve".