79768559117 has 16 divisors (see below), whose sum is σ = 87343576320. Its totient is φ = 72399960000.

The previous prime is 79768559113. The next prime is 79768559119. The reversal of 79768559117 is 71195586797.

It is a cyclic number.

It is not a de Polignac number, because 79768559117 - 2² = 79768559113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79768559113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457242 + ... + 2489492.

It is an arithmetic number, because the mean of its divisors is an integer number (5458973520).

Almost surely, 2^79768559117 is an apocalyptic number.

It is an amenable number.

79768559117 is a deficient number, since it is larger than the sum of its proper divisors (7575017203).

79768559117 is a wasteful number, since it uses less digits than its factorization.

79768559117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35444.

The product of its digits is 33339600, while the sum is 65.

The spelling of 79768559117 in words is "seventy-nine billion, seven hundred sixty-eight million, five hundred fifty-nine thousand, one hundred seventeen".