99863088 has 80 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 29106432.

The previous prime is 99863087. The next prime is 99863119. The reversal of 99863088 is 88036899.

It is a self number, because there is not a number n which added to its sum of digits gives 99863088.

It is not an unprimeable number, because it can be changed into a prime (99863087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7645 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^99863088 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 99863088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

99863088 is an abundant number, since it is smaller than the sum of its proper divisors (192618192).

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

99863088 is a wasteful number, since it uses less digits than its factorization.

99863088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8460 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 99863088 is about 9993.1520552827. The cubic root of 99863088 is about 463.9469568774.

The spelling of 99863088 in words is "ninety-nine million, eight hundred sixty-three thousand, eighty-eight".