99127182275520 has 448 divisors, whose sum is σ = 375416693692416. Its totient is φ = 21667449323520.

The previous prime is 99127182275503. The next prime is 99127182275531. The reversal of 99127182275520 is 2557228172199.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-3 number, since 3×99127182275520³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679527390 + ... + 679673250.

Almost surely, 2^{99127182275520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99127182275520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187708346846208).

99127182275520 is an abundant number, since it is smaller than the sum of its proper divisors (276289511416896).

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

99127182275520 is a wasteful number, since it uses less digits than its factorization.

99127182275520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150308 (or 150298 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 60.

The spelling of 99127182275520 in words is "ninety-nine trillion, one hundred twenty-seven billion, one hundred eighty-two million, two hundred seventy-five thousand, five hundred twenty".