97089893 has 2 divisors, whose sum is σ = 97089894. Its totient is φ = 97089892.

The previous prime is 97089871. The next prime is 97089989. The reversal of 97089893 is 39898079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63473089 + 33616804 = 7967^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 97089893 - 2⁸ = 97089637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97089803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48544946 + 48544947.

It is an arithmetic number, because the mean of its divisors is an integer number (48544947).

Almost surely, 2^97089893 is an apocalyptic number.

It is an amenable number.

97089893 is a deficient number, since it is larger than the sum of its proper divisors (1).

97089893 is an equidigital number, since it uses as much as digits as its factorization.

97089893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 97089893 is about 9853.4203706124. The cubic root of 97089893 is about 459.6119806032.

The spelling of 97089893 in words is "ninety-seven million, eighty-nine thousand, eight hundred ninety-three".