85804337 has 2 divisors, whose sum is σ = 85804338. Its totient is φ = 85804336.

The previous prime is 85804319. The next prime is 85804343. The reversal of 85804337 is 73340858.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83466496 + 2337841 = 9136^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 85804337 - 2¹⁰ = 85803313 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85804337.

It is not a weakly prime, because it can be changed into another prime (85804387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42902168 + 42902169.

It is an arithmetic number, because the mean of its divisors is an integer number (42902169).

Almost surely, 2^85804337 is an apocalyptic number.

It is an amenable number.

85804337 is a deficient number, since it is larger than the sum of its proper divisors (1).

85804337 is an equidigital number, since it uses as much as digits as its factorization.

85804337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 85804337 is about 9263.0630463146. The cubic root of 85804337 is about 441.0654911024.

The spelling of 85804337 in words is "eighty-five million, eight hundred four thousand, three hundred thirty-seven".