873710197 has 2 divisors, whose sum is σ = 873710198. Its totient is φ = 873710196.

The previous prime is 873710191. The next prime is 873710219. The reversal of 873710197 is 791017378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605209201 + 268500996 = 24601^2 + 16386^2 .

It is a cyclic number.

It is not a de Polignac number, because 873710197 - 2⁷ = 873710069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873710191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436855098 + 436855099.

It is an arithmetic number, because the mean of its divisors is an integer number (436855099).

Almost surely, 2^873710197 is an apocalyptic number.

It is an amenable number.

873710197 is a deficient number, since it is larger than the sum of its proper divisors (1).

873710197 is an equidigital number, since it uses as much as digits as its factorization.

873710197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 873710197 is about 29558.5892254688. The cubic root of 873710197 is about 955.9953975403.

The spelling of 873710197 in words is "eight hundred seventy-three million, seven hundred ten thousand, one hundred ninety-seven".