99988768 has 24 divisors (see below), whose sum is σ = 214749360. Its totient is φ = 45449280.

The previous prime is 99988753. The next prime is 99988771. The reversal of 99988768 is 86788999.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141678 + ... + 142381.

It is an arithmetic number, because the mean of its divisors is an integer number (8947890).

Almost surely, 2^99988768 is an apocalyptic number.

It is an amenable number.

99988768 is an abundant number, since it is smaller than the sum of its proper divisors (114760592).

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

99988768 is a wasteful number, since it uses less digits than its factorization.

99988768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284080 (or 284072 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 64.

The square root of 99988768 is about 9999.4383842294. The cubic root of 99988768 is about 464.1415046020.

The spelling of 99988768 in words is "ninety-nine million, nine hundred eighty-eight thousand, seven hundred sixty-eight".