797982289798 has 16 divisors (see below), whose sum is σ = 1298295435024. Its totient is φ = 366362026240.

The previous prime is 797982289789. The next prime is 797982289817. The reversal of 797982289798 is 897982289797.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286218940 + ... + 286221727.

It is an arithmetic number, because the mean of its divisors is an integer number (81143464689).

Almost surely, 2^797982289798 is an apocalyptic number.

797982289798 is a deficient number, since it is larger than the sum of its proper divisors (500313145226).

797982289798 is a wasteful number, since it uses less digits than its factorization.

797982289798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572440727.

The product of its digits is 4608866304, while the sum is 85.

Subtracting 797982289798 from its reverse (897982289797), we obtain a palindrome (99999999999).

The spelling of 797982289798 in words is "seven hundred ninety-seven billion, nine hundred eighty-two million, two hundred eighty-nine thousand, seven hundred ninety-eight".