97768677686779 has 16 divisors (see below), whose sum is σ = 106935314144256. Its totient is φ = 88648706203200.

The previous prime is 97768677686777. The next prime is 97768677686819.

97768677686779 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97768677686779 - 2¹ = 97768677686777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97768677686777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397934 + ... + 14187580.

It is an arithmetic number, because the mean of its divisors is an integer number (6683457134016).

Almost surely, 2^{97768677686779} is an apocalyptic number.

97768677686779 is a deficient number, since it is larger than the sum of its proper divisors (9166636457477).

97768677686779 is a wasteful number, since it uses less digits than its factorization.

97768677686779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791626.

The product of its digits is 790420571136, while the sum is 100.

The spelling of 97768677686779 in words is "ninety-seven trillion, seven hundred sixty-eight billion, six hundred seventy-seven million, six hundred eighty-six thousand, seven hundred seventy-nine".