797619915579 has 16 divisors (see below), whose sum is σ = 1065091472640. Its totient is φ = 530948077920.

The previous prime is 797619915569. The next prime is 797619915611. The reversal of 797619915579 is 975519916797.

It is not a de Polignac number, because 797619915579 - 2⁹ = 797619915067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797619915579.

It is not an unprimeable number, because it can be changed into a prime (797619915529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5403949 + ... + 5549585.

It is an arithmetic number, because the mean of its divisors is an integer number (66568217040).

Almost surely, 2^797619915579 is an apocalyptic number.

797619915579 is a deficient number, since it is larger than the sum of its proper divisors (267471557061).

797619915579 is a wasteful number, since it uses less digits than its factorization.

797619915579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148370.

The product of its digits is 337563450, while the sum is 75.

The spelling of 797619915579 in words is "seven hundred ninety-seven billion, six hundred nineteen million, nine hundred fifteen thousand, five hundred seventy-nine".