99578223360 has 1728 divisors, whose sum is σ = 459164160000. Its totient is φ = 19725189120.

The previous prime is 99578223347. The next prime is 99578223397. The reversal of 99578223360 is 6332287599.

It is a happy number.

99578223360 is a `hidden beast` number, since 9 + 9 + 57 + 8 + 223 + 360 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 99578223297 and 99578223306.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 1260483801 + ... + 1260483879.

It is an arithmetic number, because the mean of its divisors is an integer number (265720000).

Almost surely, 2^99578223360 is an apocalyptic number.

99578223360 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 99578223360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229582080000).

99578223360 is an abundant number, since it is smaller than the sum of its proper divisors (359585936640).

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

99578223360 is a wasteful number, since it uses less digits than its factorization.

99578223360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 99578223360 in words is "ninety-nine billion, five hundred seventy-eight million, two hundred twenty-three thousand, three hundred sixty".