99603875059920 has 2880 divisors, whose sum is σ = 459128088207360. Its totient is φ = 19071927705600.

The previous prime is 99603875059919. The next prime is 99603875059937. The reversal of 99603875059920 is 2995057830699.

It is a happy number.

99603875059920 is a `hidden beast` number, since 9 + 9 + 6 + 0 + 3 + 8 + 7 + 5 + 0 + 599 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 100508450625 + ... + 100508451615.

It is an arithmetic number, because the mean of its divisors is an integer number (159419475072).

Almost surely, 2^{99603875059920} is an apocalyptic number.

99603875059920 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 99603875059920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229564044103680).

99603875059920 is an abundant number, since it is smaller than the sum of its proper divisors (359524213147440).

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

99603875059920 is a wasteful number, since it uses less digits than its factorization.

99603875059920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 330674400, while the sum is 72.

The spelling of 99603875059920 in words is "ninety-nine trillion, six hundred three billion, eight hundred seventy-five million, fifty-nine thousand, nine hundred twenty".