97591234028767 has 2 divisors, whose sum is σ = 97591234028768. Its totient is φ = 97591234028766.

The previous prime is 97591234028759. The next prime is 97591234028887. The reversal of 97591234028767 is 76782043219579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97591234028767 - 2³ = 97591234028759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97591234028696 and 97591234028705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97591234028747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48795617014383 + 48795617014384.

It is an arithmetic number, because the mean of its divisors is an integer number (48795617014384).

It is a 2-persistent number, because it is pandigital, and so is 2⋅97591234028767 = 195182468057534, but 3⋅97591234028767 = 292773702086301 is not.

Almost surely, 2^{97591234028767} is an apocalyptic number.

97591234028767 is a deficient number, since it is larger than the sum of its proper divisors (1).

97591234028767 is an equidigital number, since it uses as much as digits as its factorization.

97591234028767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 97591234028767 in words is "ninety-seven trillion, five hundred ninety-one billion, two hundred thirty-four million, twenty-eight thousand, seven hundred sixty-seven".