97170893 has 2 divisors, whose sum is σ = 97170894. Its totient is φ = 97170892.

The previous prime is 97170881. The next prime is 97170919. The reversal of 97170893 is 39807179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 4761124 = 9613^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 97170893 - 2⁴ = 97170877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97170863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48585446 + 48585447.

It is an arithmetic number, because the mean of its divisors is an integer number (48585447).

Almost surely, 2^97170893 is an apocalyptic number.

It is an amenable number.

97170893 is a deficient number, since it is larger than the sum of its proper divisors (1).

97170893 is an equidigital number, since it uses as much as digits as its factorization.

97170893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 97170893 is about 9857.5297615579. The cubic root of 97170893 is about 459.7397598570.

The spelling of 97170893 in words is "ninety-seven million, one hundred seventy thousand, eight hundred ninety-three".