99709175232 has 336 divisors, whose sum is σ = 314557501440. Its totient is φ = 31227420672.

The previous prime is 99709175231. The next prime is 99709175299. The reversal of 99709175232 is 23257190799.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99709175231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37525648 + ... + 37528304.

It is an arithmetic number, because the mean of its divisors is an integer number (936183040).

Almost surely, 2^99709175232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99709175232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157278750720).

99709175232 is an abundant number, since it is smaller than the sum of its proper divisors (214848326208).

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

99709175232 is a wasteful number, since it uses less digits than its factorization.

99709175232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 99709175232 in words is "ninety-nine billion, seven hundred nine million, one hundred seventy-five thousand, two hundred thirty-two".