99768944 has 40 divisors (see below), whose sum is σ = 215795712. Its totient is φ = 44291520.

The previous prime is 99768931. The next prime is 99768953. The reversal of 99768944 is 44986799.

It is a self number, because there is not a number n which added to its sum of digits gives 99768944.

It is a congruent number.

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, 977 + ... + 14159.

Almost surely, 2^99768944 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 99768944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107897856).

99768944 is an abundant number, since it is smaller than the sum of its proper divisors (116026768).

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

99768944 is a wasteful number, since it uses less digits than its factorization.

99768944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245 (or 13239 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 99768944 is about 9988.4405189199. The cubic root of 99768944 is about 463.8011186909.

The spelling of 99768944 in words is "ninety-nine million, seven hundred sixty-eight thousand, nine hundred forty-four".