99134607879072 has 144 divisors (see below), whose sum is σ = 283225828773888. Its totient is φ = 32891319697920.

The previous prime is 99134607879061. The next prime is 99134607879113. The reversal of 99134607879072 is 27097870643199.

99134607879072 is a `hidden beast` number, since 9 + 9 + 1 + 3 + 4 + 607 + 8 + 7 + 9 + 0 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88899553 + ... + 90007775.

It is an arithmetic number, because the mean of its divisors is an integer number (1966846033152).

Almost surely, 2^{99134607879072} 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 99134607879072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141612914386944).

99134607879072 is an abundant number, since it is smaller than the sum of its proper divisors (184091220894816).

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

99134607879072 is a wasteful number, since it uses less digits than its factorization.

99134607879072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109683 (or 1109672 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 72.

The spelling of 99134607879072 in words is "ninety-nine trillion, one hundred thirty-four billion, six hundred seven million, eight hundred seventy-nine thousand, seventy-two".