97557075443 has 2 divisors, whose sum is σ = 97557075444. Its totient is φ = 97557075442.

The previous prime is 97557075437. The next prime is 97557075467. The reversal of 97557075443 is 34457075579.

It is a weak prime.

It is an emirp because it is prime and its reverse (34457075579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97557075443 - 2²⁶ = 97489966579 is a prime.

It is not a weakly prime, because it can be changed into another prime (97557075743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48778537721 + 48778537722.

It is an arithmetic number, because the mean of its divisors is an integer number (48778537722).

Almost surely, 2^97557075443 is an apocalyptic number.

97557075443 is a deficient number, since it is larger than the sum of its proper divisors (1).

97557075443 is an equidigital number, since it uses as much as digits as its factorization.

97557075443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 97557075443 in words is "ninety-seven billion, five hundred fifty-seven million, seventy-five thousand, four hundred forty-three".