97195761437 has 2 divisors, whose sum is σ = 97195761438. Its totient is φ = 97195761436.

The previous prime is 97195761419. The next prime is 97195761457. The reversal of 97195761437 is 73416759179.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97037857081 + 157904356 = 311509^2 + 12566^2 .

It is an emirp because it is prime and its reverse (73416759179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97195761437 - 2⁸ = 97195761181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97195761457) 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, 48597880718 + 48597880719.

It is an arithmetic number, because the mean of its divisors is an integer number (48597880719).

Almost surely, 2^97195761437 is an apocalyptic number.

It is an amenable number.

97195761437 is a deficient number, since it is larger than the sum of its proper divisors (1).

97195761437 is an equidigital number, since it uses as much as digits as its factorization.

97195761437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10001880, while the sum is 59.

The spelling of 97195761437 in words is "ninety-seven billion, one hundred ninety-five million, seven hundred sixty-one thousand, four hundred thirty-seven".