99469170085824 has 840 divisors, whose sum is σ = 374796308204208. Its totient is φ = 25793556848640.

The previous prime is 99469170085807. The next prime is 99469170085837. The reversal of 99469170085824 is 42858007196499.

99469170085824 is a `hidden beast` number, since 9 + 9 + 469 + 1 + 7 + 0 + 0 + 85 + 82 + 4 = 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 119 ways as a sum of consecutive naturals, for example, 1712800852 + ... + 1712858924.

Almost surely, 2^{99469170085824} 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 99469170085824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187398154102104).

99469170085824 is an abundant number, since it is smaller than the sum of its proper divisors (275327138118384).

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

99469170085824 is a wasteful number, since it uses less digits than its factorization.

99469170085824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58735 (or 58709 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 99469170085824 in words is "ninety-nine trillion, four hundred sixty-nine billion, one hundred seventy million, eighty-five thousand, eight hundred twenty-four".