97559751937 has 2 divisors, whose sum is σ = 97559751938. Its totient is φ = 97559751936.

The previous prime is 97559751931. The next prime is 97559751973. The reversal of 97559751937 is 73915795579.

Together with next prime (97559751973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61965647041 + 35594104896 = 248929^2 + 188664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97559751937 is a prime.

It is not a weakly prime, because it can be changed into another prime (97559751931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48779875968 + 48779875969.

It is an arithmetic number, because the mean of its divisors is an integer number (48779875969).

Almost surely, 2^97559751937 is an apocalyptic number.

It is an amenable number.

97559751937 is a deficient number, since it is larger than the sum of its proper divisors (1).

97559751937 is an equidigital number, since it uses as much as digits as its factorization.

97559751937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93767625, while the sum is 67.

The spelling of 97559751937 in words is "ninety-seven billion, five hundred fifty-nine million, seven hundred fifty-one thousand, nine hundred thirty-seven".