99444479792 has 40 divisors (see below), whose sum is σ = 220561406976. Its totient is φ = 42548821056.

The previous prime is 99444479723. The next prime is 99444479819. The reversal of 99444479792 is 29797444499.

It is a happy number.

99444479792 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×99444479792² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663398 + ... + 799365.

Almost surely, 2^99444479792 is an apocalyptic number.

It is an amenable number.

99444479792 is an abundant number, since it is smaller than the sum of its proper divisors (121116927184).

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

99444479792 is a wasteful number, since it uses less digits than its factorization.

99444479792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463385 (or 1463379 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 68.

The spelling of 99444479792 in words is "ninety-nine billion, four hundred forty-four million, four hundred seventy-nine thousand, seven hundred ninety-two".