79680555508697 has 32 divisors (see below), whose sum is σ = 98545185881856. Its totient is φ = 63391639449600.

The previous prime is 79680555508693. The next prime is 79680555508709.

79680555508697 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79680555508697 - 2² = 79680555508693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79680555508693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106824704 + ... + 107568017.

It is an arithmetic number, because the mean of its divisors is an integer number (3079537058808).

Almost surely, 2^{79680555508697} is an apocalyptic number.

It is an amenable number.

79680555508697 is a deficient number, since it is larger than the sum of its proper divisors (18864630373159).

79680555508697 is a wasteful number, since it uses less digits than its factorization.

79680555508697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214392881.

The product of its (nonzero) digits is 5715360000, while the sum is 80.

The spelling of 79680555508697 in words is "seventy-nine trillion, six hundred eighty billion, five hundred fifty-five million, five hundred eight thousand, six hundred ninety-seven".