97636622663679 has 32 divisors (see below), whose sum is σ = 146915956707840. Its totient is φ = 57132492681600.

The previous prime is 97636622663647. The next prime is 97636622663687.

97636622663679 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97636622663679 - 2⁵ = 97636622663647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97636622623679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77540334 + ... + 78789444.

It is an arithmetic number, because the mean of its divisors is an integer number (4591123647120).

Almost surely, 2^{97636622663679} is an apocalyptic number.

97636622663679 is a deficient number, since it is larger than the sum of its proper divisors (49279334044161).

97636622663679 is a wasteful number, since it uses less digits than its factorization.

97636622663679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330831.

The product of its digits is 6666395904, while the sum is 78.

The spelling of 97636622663679 in words is "ninety-seven trillion, six hundred thirty-six billion, six hundred twenty-two million, six hundred sixty-three thousand, six hundred seventy-nine".