99974921447104 has 168 divisors, whose sum is σ = 219173609454800. Its totient is φ = 45211896576000.

The previous prime is 99974921447101. The next prime is 99974921447123. The reversal of 99974921447104 is 40174412947999.

It is not an unprimeable number, because it can be changed into a prime (99974921447101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2534134579 + ... + 2534174029.

Almost surely, 2^{99974921447104} 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 99974921447104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109586804727400).

99974921447104 is an abundant number, since it is smaller than the sum of its proper divisors (119198688007696).

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

99974921447104 is a wasteful number, since it uses less digits than its factorization.

99974921447104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41143 (or 41122 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 99974921447104 in words is "ninety-nine trillion, nine hundred seventy-four billion, nine hundred twenty-one million, four hundred forty-seven thousand, one hundred four".