97656888865679 has 8 divisors (see below), whose sum is σ = 114729771534672. Its totient is φ = 81949836810240.

The previous prime is 97656888865661. The next prime is 97656888865693.

97656888865679 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97656888865679 - 2¹² = 97656888861583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97656888865609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341457653234 + ... + 341457653519.

It is an arithmetic number, because the mean of its divisors is an integer number (14341221441834).

Almost surely, 2^{97656888865679} is an apocalyptic number.

97656888865679 is a deficient number, since it is larger than the sum of its proper divisors (17072882668993).

97656888865679 is a wasteful number, since it uses less digits than its factorization.

97656888865679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682915306777.

The product of its digits is 526727577600, while the sum is 98.

The spelling of 97656888865679 in words is "ninety-seven trillion, six hundred fifty-six billion, eight hundred eighty-eight million, eight hundred sixty-five thousand, six hundred seventy-nine".