99547746480 has 720 divisors, whose sum is σ = 419654229696. Its totient is φ = 20702822400.

The previous prime is 99547746479. The next prime is 99547746491. The reversal of 99547746480 is 8464774599.

99547746480 is a `hidden beast` number, since 9 + 9 + 547 + 7 + 4 + 6 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62177680 + ... + 62179280.

Almost surely, 2^99547746480 is an apocalyptic number.

99547746480 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 99547746480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209827114848).

99547746480 is an abundant number, since it is smaller than the sum of its proper divisors (320106483216).

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

99547746480 is a wasteful number, since it uses less digits than its factorization.

99547746480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 99547746480 in words is "ninety-nine billion, five hundred forty-seven million, seven hundred forty-six thousand, four hundred eighty".