97256081339 has 2 divisors, whose sum is σ = 97256081340. Its totient is φ = 97256081338.

The previous prime is 97256081327. The next prime is 97256081347. The reversal of 97256081339 is 93318065279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97256081339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97256081539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48628040669 + 48628040670.

It is an arithmetic number, because the mean of its divisors is an integer number (48628040670).

Almost surely, 2^97256081339 is an apocalyptic number.

97256081339 is a deficient number, since it is larger than the sum of its proper divisors (1).

97256081339 is an equidigital number, since it uses as much as digits as its factorization.

97256081339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 97256081339 in words is "ninety-seven billion, two hundred fifty-six million, eighty-one thousand, three hundred thirty-nine".