97735789 has 2 divisors, whose sum is σ = 97735790. Its totient is φ = 97735788.

The previous prime is 97735787. The next prime is 97735817. The reversal of 97735789 is 98753779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93450889 + 4284900 = 9667^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 97735789 - 2¹ = 97735787 is a prime.

Together with 97735787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97735783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48867894 + 48867895.

It is an arithmetic number, because the mean of its divisors is an integer number (48867895).

Almost surely, 2^97735789 is an apocalyptic number.

It is an amenable number.

97735789 is a deficient number, since it is larger than the sum of its proper divisors (1).

97735789 is an equidigital number, since it uses as much as digits as its factorization.

97735789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 55.

The square root of 97735789 is about 9886.1412593590. The cubic root of 97735789 is about 460.6289270531.

The spelling of 97735789 in words is "ninety-seven million, seven hundred thirty-five thousand, seven hundred eighty-nine".