99127800 has 240 divisors, whose sum is σ = 357845400. Its totient is φ = 25401600.

The previous prime is 99127793. The next prime is 99127817. The reversal of 99127800 is 872199.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 469695 + ... + 469905.

Almost surely, 2^99127800 is an apocalyptic number.

99127800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99127800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178922700).

99127800 is an abundant number, since it is smaller than the sum of its proper divisors (258717600).

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

99127800 is a wasteful number, since it uses less digits than its factorization.

99127800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 99127800 is about 9956.2944914260. The cubic root of 99127800 is about 462.8054763023.

Adding to 99127800 its reverse (872199), we get a palindrome (99999999).

The spelling of 99127800 in words is "ninety-nine million, one hundred twenty-seven thousand, eight hundred".