99876528 has 60 divisors (see below), whose sum is σ = 280391280. Its totient is φ = 33187968.

The previous prime is 99876527. The next prime is 99876529. The reversal of 99876528 is 82567899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99876527) and next prime (99876529).

It is not an unprimeable number, because it can be changed into a prime (99876527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55125 + ... + 56907.

It is an arithmetic number, because the mean of its divisors is an integer number (4673188).

Almost surely, 2^99876528 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 99876528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140195640).

99876528 is an abundant number, since it is smaller than the sum of its proper divisors (180514752).

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

99876528 is a wasteful number, since it uses less digits than its factorization.

99876528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2177 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 99876528 is about 9993.8244931558. The cubic root of 99876528 is about 463.9677692634.

The spelling of 99876528 in words is "ninety-nine million, eight hundred seventy-six thousand, five hundred twenty-eight".