98811888 has 80 divisors (see below), whose sum is σ = 308908800. Its totient is φ = 26569728.

The previous prime is 98811877. The next prime is 98811901. The reversal of 98811888 is 88811889.

It is a super-3 number, since 3×98811888³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 98811888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2938 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (3861360).

Almost surely, 2^98811888 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 98811888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154454400).

98811888 is an abundant number, since it is smaller than the sum of its proper divisors (210096912).

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

98811888 is a wasteful number, since it uses less digits than its factorization.

98811888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334 (or 17328 counting only the distinct ones).

The product of its digits is 294912, while the sum is 51.

The square root of 98811888 is about 9940.4168926660. The cubic root of 98811888 is about 462.3133123334.

Subtracting from 98811888 its reverse (88811889), we obtain a palindrome (9999999).

It can be divided in two parts, 98811 and 888, that added together give a palindrome (99699).

The spelling of 98811888 in words is "ninety-eight million, eight hundred eleven thousand, eight hundred eighty-eight".