97233776641 has 2 divisors, whose sum is σ = 97233776642. Its totient is φ = 97233776640.

The previous prime is 97233776611. The next prime is 97233776659. The reversal of 97233776641 is 14667733279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63715856400 + 33517920241 = 252420^2 + 183079^2 .

It is a cyclic number.

It is not a de Polignac number, because 97233776641 - 2⁷ = 97233776513 is a prime.

It is not a weakly prime, because it can be changed into another prime (97233776611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48616888320 + 48616888321.

It is an arithmetic number, because the mean of its divisors is an integer number (48616888321).

Almost surely, 2^97233776641 is an apocalyptic number.

It is an amenable number.

97233776641 is a deficient number, since it is larger than the sum of its proper divisors (1).

97233776641 is an equidigital number, since it uses as much as digits as its factorization.

97233776641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8001504, while the sum is 55.

The spelling of 97233776641 in words is "ninety-seven billion, two hundred thirty-three million, seven hundred seventy-six thousand, six hundred forty-one".