79834352065 has 16 divisors (see below), whose sum is σ = 103176435600. Its totient is φ = 58951233792.

The previous prime is 79834352027. The next prime is 79834352099. The reversal of 79834352065 is 56025343897.

It can be written as a sum of positive squares in 8 ways, for example, as 47281893136 + 32552458929 = 217444^2 + 180423^2 .

It is a cyclic number.

It is not a de Polignac number, because 79834352065 - 2¹⁵ = 79834319297 is a prime.

It is an unprimeable number.

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, 2230531 + ... + 2266039.

It is an arithmetic number, because the mean of its divisors is an integer number (6448527225).

Almost surely, 2^79834352065 is an apocalyptic number.

It is an amenable number.

79834352065 is a deficient number, since it is larger than the sum of its proper divisors (23342083535).

79834352065 is a wasteful number, since it uses less digits than its factorization.

79834352065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70116.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 79834352065 in words is "seventy-nine billion, eight hundred thirty-four million, three hundred fifty-two thousand, sixty-five".