99678235232100 has 288 divisors, whose sum is σ = 331007050192896. Its totient is φ = 22686600960000.

The previous prime is 99678235232087. The next prime is 99678235232131. The reversal of 99678235232100 is 123253287699.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1243187212 + ... + 1243267388.

It is an arithmetic number, because the mean of its divisors is an integer number (1149330035392).

Almost surely, 2^{99678235232100} 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 99678235232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165503525096448).

99678235232100 is an abundant number, since it is smaller than the sum of its proper divisors (231328814960796).

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

99678235232100 is a wasteful number, since it uses less digits than its factorization.

99678235232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82715 (or 82708 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 99678235232100 in words is "ninety-nine trillion, six hundred seventy-eight billion, two hundred thirty-five million, two hundred thirty-two thousand, one hundred".