97658799785679 has 16 divisors (see below), whose sum is σ = 142403400658944. Its totient is φ = 59039552496000.

The previous prime is 97658799785663. The next prime is 97658799785741.

97658799785679 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97658799785679 - 2⁴ = 97658799785663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97658799785609) 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 15 ways as a sum of consecutive naturals, for example, 3689958799 + ... + 3689985264.

It is an arithmetic number, because the mean of its divisors is an integer number (8900212541184).

Almost surely, 2^{97658799785679} is an apocalyptic number.

97658799785679 is a deficient number, since it is larger than the sum of its proper divisors (44744600873265).

97658799785679 is a wasteful number, since it uses less digits than its factorization.

97658799785679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379944478.

The product of its digits is 907370553600, while the sum is 102.

The spelling of 97658799785679 in words is "ninety-seven trillion, six hundred fifty-eight billion, seven hundred ninety-nine million, seven hundred eighty-five thousand, six hundred seventy-nine".