9975005798 has 8 divisors (see below), whose sum is σ = 14982434400. Its totient is φ = 4980861000.

The previous prime is 9975005779. The next prime is 9975005879. The reversal of 9975005798 is 8975005799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319073 + ... + 3322076.

It is an arithmetic number, because the mean of its divisors is an integer number (1872804300).

Almost surely, 2^9975005798 is an apocalyptic number.

9975005798 is a deficient number, since it is larger than the sum of its proper divisors (5007428602).

9975005798 is a wasteful number, since it uses less digits than its factorization.

9975005798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641902.

The product of its (nonzero) digits is 7144200, while the sum is 59.

The square root of 9975005798 is about 99874.9508034923. The cubic root of 9975005798 is about 2152.6382466493.

Subtracting from 9975005798 its reverse (8975005799), we obtain a palindrome (999999999).

The spelling of 9975005798 in words is "nine billion, nine hundred seventy-five million, five thousand, seven hundred ninety-eight".