99597588480 has 576 divisors, whose sum is σ = 378309204000. Its totient is φ = 24083693568.

The previous prime is 99597588473. The next prime is 99597588491. The reversal of 99597588480 is 8488579599.

99597588480 is a `hidden beast` number, since 9 + 9 + 5 + 97 + 58 + 8 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 99597588399 and 99597588408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70686016 + ... + 70687424.

Almost surely, 2^99597588480 is an apocalyptic number.

99597588480 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 99597588480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189154602000).

99597588480 is an abundant number, since it is smaller than the sum of its proper divisors (278711615520).

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

99597588480 is a wasteful number, since it uses less digits than its factorization.

99597588480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 72.

The spelling of 99597588480 in words is "ninety-nine billion, five hundred ninety-seven million, five hundred eighty-eight thousand, four hundred eighty".