97658329943 has 2 divisors, whose sum is σ = 97658329944. Its totient is φ = 97658329942.

The previous prime is 97658329921. The next prime is 97658330051. The reversal of 97658329943 is 34992385679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97658329943 - 2⁸ = 97658329687 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97658329943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97658329913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48829164971 + 48829164972.

It is an arithmetic number, because the mean of its divisors is an integer number (48829164972).

Almost surely, 2^97658329943 is an apocalyptic number.

97658329943 is a deficient number, since it is larger than the sum of its proper divisors (1).

97658329943 is an equidigital number, since it uses as much as digits as its factorization.

97658329943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 65.

The spelling of 97658329943 in words is "ninety-seven billion, six hundred fifty-eight million, three hundred twenty-nine thousand, nine hundred forty-three".