99876534120 has 96 divisors (see below), whose sum is σ = 354107725920. Its totient is φ = 24212492160.

The previous prime is 99876534089. The next prime is 99876534137. The reversal of 99876534120 is 2143567899.

99876534120 is a `hidden beast` number, since 9 + 9 + 87 + 6 + 534 + 1 + 20 = 666.

99876534120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12606714 + ... + 12614633.

It is an arithmetic number, because the mean of its divisors is an integer number (3688622145).

It is a 2-persistent number, because it is pandigital, and so is 2⋅99876534120 = 199753068240, but 3⋅99876534120 = 299629602360 is not.

Almost surely, 2^99876534120 is an apocalyptic number.

99876534120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99876534120 is an abundant number, since it is smaller than the sum of its proper divisors (254231191800).

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

99876534120 is a wasteful number, since it uses less digits than its factorization.

99876534120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25221375 (or 25221368 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 99876534120 in words is "ninety-nine billion, eight hundred seventy-six million, five hundred thirty-four thousand, one hundred twenty".