79709598369 has 16 divisors (see below), whose sum is σ = 118109178240. Its totient is φ = 53130334320.

The previous prime is 79709598343. The next prime is 79709598403. The reversal of 79709598369 is 96389590797.

It is a happy number.

79709598369 is a `hidden beast` number, since 7 + 97 + 0 + 95 + 98 + 369 = 666.

It is not a de Polignac number, because 79709598369 - 2¹⁷ = 79709467297 is a prime.

It is a super-3 number, since 3×79709598369³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 79709598297 and 79709598306.

It is not an unprimeable number, because it can be changed into a prime (79709598569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103837 + ... + 412554.

It is an arithmetic number, because the mean of its divisors is an integer number (7381823640).

Almost surely, 2^79709598369 is an apocalyptic number.

It is an amenable number.

79709598369 is a deficient number, since it is larger than the sum of its proper divisors (38399579871).

79709598369 is a wasteful number, since it uses less digits than its factorization.

79709598369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522117 (or 522111 counting only the distinct ones).

The product of its (nonzero) digits is 231472080, while the sum is 72.

The spelling of 79709598369 in words is "seventy-nine billion, seven hundred nine million, five hundred ninety-eight thousand, three hundred sixty-nine".