85384297 has 2 divisors, whose sum is σ = 85384298. Its totient is φ = 85384296.

The previous prime is 85384177. The next prime is 85384307. The reversal of 85384297 is 79248358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83612736 + 1771561 = 9144^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 85384297 - 2²³ = 76995689 is a prime.

It is not a weakly prime, because it can be changed into another prime (85384697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42692148 + 42692149.

It is an arithmetic number, because the mean of its divisors is an integer number (42692149).

Almost surely, 2^85384297 is an apocalyptic number.

It is an amenable number.

85384297 is a deficient number, since it is larger than the sum of its proper divisors (1).

85384297 is an equidigital number, since it uses as much as digits as its factorization.

85384297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 85384297 is about 9240.3623846687. The cubic root of 85384297 is about 440.3445940352.

The spelling of 85384297 in words is "eighty-five million, three hundred eighty-four thousand, two hundred ninety-seven".