7959784879598 has 16 divisors (see below), whose sum is σ = 12099210278064. Its totient is φ = 3926962702080.

The previous prime is 7959784879597. The next prime is 7959784879601. The reversal of 7959784879598 is 8959784879597.

It is a self number, because there is not a number n which added to its sum of digits gives 7959784879598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7959784879591) 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, 61914365 + ... + 62042792.

It is an arithmetic number, because the mean of its divisors is an integer number (756200642379).

Almost surely, 2^{7959784879598} is an apocalyptic number.

7959784879598 is a deficient number, since it is larger than the sum of its proper divisors (4139425398466).

7959784879598 is a wasteful number, since it uses less digits than its factorization.

7959784879598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123957587.

The product of its digits is 115221657600, while the sum is 95.

Subtracting 7959784879598 from its reverse (8959784879597), we obtain a palindrome (999999999999).

The spelling of 7959784879598 in words is "seven trillion, nine hundred fifty-nine billion, seven hundred eighty-four million, eight hundred seventy-nine thousand, five hundred ninety-eight".