97716559757 has 2 divisors, whose sum is σ = 97716559758. Its totient is φ = 97716559756.

The previous prime is 97716559723. The next prime is 97716559777. The reversal of 97716559757 is 75795561779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97262273161 + 454286596 = 311869^2 + 21314^2 .

It is a cyclic number.

It is not a de Polignac number, because 97716559757 - 2¹² = 97716555661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97716559777) 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, 48858279878 + 48858279879.

It is an arithmetic number, because the mean of its divisors is an integer number (48858279879).

Almost surely, 2^97716559757 is an apocalyptic number.

It is an amenable number.

97716559757 is a deficient number, since it is larger than the sum of its proper divisors (1).

97716559757 is an equidigital number, since it uses as much as digits as its factorization.

97716559757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145860750, while the sum is 68.

The spelling of 97716559757 in words is "ninety-seven billion, seven hundred sixteen million, five hundred fifty-nine thousand, seven hundred fifty-seven".