97486250717 has 2 divisors, whose sum is σ = 97486250718. Its totient is φ = 97486250716.

The previous prime is 97486250683. The next prime is 97486250767. The reversal of 97486250717 is 71705268479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91280119876 + 6206130841 = 302126^2 + 78779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97486250717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97486250767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48743125358 + 48743125359.

It is an arithmetic number, because the mean of its divisors is an integer number (48743125359).

Almost surely, 2^97486250717 is an apocalyptic number.

It is an amenable number.

97486250717 is a deficient number, since it is larger than the sum of its proper divisors (1).

97486250717 is an equidigital number, since it uses as much as digits as its factorization.

97486250717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 97486250717 in words is "ninety-seven billion, four hundred eighty-six million, two hundred fifty thousand, seven hundred seventeen".