99100639876 has 96 divisors (see below), whose sum is σ = 210955127040. Its totient is φ = 39840159744.

The previous prime is 99100639871. The next prime is 99100639889. The reversal of 99100639876 is 67893600199.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 99100639876.

It is not an unprimeable number, because it can be changed into a prime (99100639871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3959016 + ... + 3983968.

It is an arithmetic number, because the mean of its divisors is an integer number (2197449240).

Almost surely, 2^99100639876 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 99100639876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105477563520).

99100639876 is an abundant number, since it is smaller than the sum of its proper divisors (111854487164).

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

99100639876 is a wasteful number, since it uses less digits than its factorization.

99100639876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25133 (or 25131 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 99100639876 in words is "ninety-nine billion, one hundred million, six hundred thirty-nine thousand, eight hundred seventy-six".