97806753959 has 2 divisors, whose sum is σ = 97806753960. Its totient is φ = 97806753958.

The previous prime is 97806753943. The next prime is 97806753997. The reversal of 97806753959 is 95935760879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97806753959 - 2⁴ = 97806753943 is a prime.

It is a super-2 number, since 2×97806753959² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97806752959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48903376979 + 48903376980.

It is an arithmetic number, because the mean of its divisors is an integer number (48903376980).

Almost surely, 2^97806753959 is an apocalyptic number.

97806753959 is a deficient number, since it is larger than the sum of its proper divisors (1).

97806753959 is an equidigital number, since it uses as much as digits as its factorization.

97806753959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128595600, while the sum is 68.

The spelling of 97806753959 in words is "ninety-seven billion, eight hundred six million, seven hundred fifty-three thousand, nine hundred fifty-nine".