7975995798 has 64 divisors (see below), whose sum is σ = 17161943040. Its totient is φ = 2464716672.

The previous prime is 7975995793. The next prime is 7975995823. The reversal of 7975995798 is 8975995797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975995793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1370611 + ... + 1376417.

It is an arithmetic number, because the mean of its divisors is an integer number (268155360).

Almost surely, 2^7975995798 is an apocalyptic number.

7975995798 is an abundant number, since it is smaller than the sum of its proper divisors (9185947242).

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

7975995798 is a wasteful number, since it uses less digits than its factorization.

7975995798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141.

The product of its digits is 450084600, while the sum is 75.

The square root of 7975995798 is about 89308.4307218529. The cubic root of 7975995798 is about 1997.9976457912.

Subtracting 7975995798 from its reverse (8975995797), we obtain a palindrome (999999999).

The spelling of 7975995798 in words is "seven billion, nine hundred seventy-five million, nine hundred ninety-five thousand, seven hundred ninety-eight".