99386844480 has 1176 divisors, whose sum is σ = 446629389696. Its totient is φ = 20610754560.

The previous prime is 99386844329. The next prime is 99386844499. The reversal of 99386844480 is 8444868399.

99386844480 is a `hidden beast` number, since 9 + 93 + 8 + 68 + 4 + 4 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 197587909 + ... + 197588411.

It is an arithmetic number, because the mean of its divisors is an integer number (379786896).

Almost surely, 2^99386844480 is an apocalyptic number.

99386844480 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 99386844480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223314694848).

99386844480 is an abundant number, since it is smaller than the sum of its proper divisors (347242545216).

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

99386844480 is a wasteful number, since it uses less digits than its factorization.

99386844480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 99386844480 in words is "ninety-nine billion, three hundred eighty-six million, eight hundred forty-four thousand, four hundred eighty".