9944477575 has 12 divisors (see below), whose sum is σ = 12338875440. Its totient is φ = 7950599360.

The previous prime is 9944477549. The next prime is 9944477581. The reversal of 9944477575 is 5757744499.

It is not a de Polignac number, because 9944477575 - 2⁷ = 9944477447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83590 + ... + 163939.

It is an arithmetic number, because the mean of its divisors is an integer number (1028239620).

Almost surely, 2^9944477575 is an apocalyptic number.

9944477575 is a deficient number, since it is larger than the sum of its proper divisors (2394397865).

9944477575 is a wasteful number, since it uses less digits than its factorization.

9944477575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249146 (or 249141 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 61.

The square root of 9944477575 is about 99722.0014590562. The cubic root of 9944477575 is about 2150.4399730555.

The spelling of 9944477575 in words is "nine billion, nine hundred forty-four million, four hundred seventy-seven thousand, five hundred seventy-five".