97097785339 has 2 divisors, whose sum is σ = 97097785340. Its totient is φ = 97097785338.

The previous prime is 97097785331. The next prime is 97097785349. The reversal of 97097785339 is 93358779079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97097785339 - 2³ = 97097785331 is a prime.

It is not a weakly prime, because it can be changed into another prime (97097785331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48548892669 + 48548892670.

It is an arithmetic number, because the mean of its divisors is an integer number (48548892670).

Almost surely, 2^97097785339 is an apocalyptic number.

97097785339 is a deficient number, since it is larger than the sum of its proper divisors (1).

97097785339 is an equidigital number, since it uses as much as digits as its factorization.

97097785339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90016920, while the sum is 67.

The spelling of 97097785339 in words is "ninety-seven billion, ninety-seven million, seven hundred eighty-five thousand, three hundred thirty-nine".