9975993744 has 40 divisors (see below), whose sum is σ = 25968061152. Its totient is φ = 3299944960.

The previous prime is 9975993697. The next prime is 9975993749. The reversal of 9975993744 is 4473995799.

It is not an unprimeable number, because it can be changed into a prime (9975993749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786969 + ... + 799544.

Almost surely, 2^9975993744 is an apocalyptic number.

It is an amenable number.

9975993744 is an abundant number, since it is smaller than the sum of its proper divisors (15992067408).

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

9975993744 is a wasteful number, since it uses less digits than its factorization.

9975993744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586655 (or 1586649 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 66.

The square root of 9975993744 is about 99879.8965958616. The cubic root of 9975993744 is about 2152.7093116084.

The spelling of 9975993744 in words is "nine billion, nine hundred seventy-five million, nine hundred ninety-three thousand, seven hundred forty-four".