97805339 has 2 divisors, whose sum is σ = 97805340. Its totient is φ = 97805338.

The previous prime is 97805311. The next prime is 97805359. The reversal of 97805339 is 93350879.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97805339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97805339.

It is not a weakly prime, because it can be changed into another prime (97805359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48902669 + 48902670.

It is an arithmetic number, because the mean of its divisors is an integer number (48902670).

Almost surely, 2^97805339 is an apocalyptic number.

97805339 is a deficient number, since it is larger than the sum of its proper divisors (1).

97805339 is an equidigital number, since it uses as much as digits as its factorization.

97805339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 97805339 is about 9889.6581841841. The cubic root of 97805339 is about 460.7381642321.

The spelling of 97805339 in words is "ninety-seven million, eight hundred five thousand, three hundred thirty-nine".