85354837 has 2 divisors, whose sum is σ = 85354838. Its totient is φ = 85354836.

The previous prime is 85354831. The next prime is 85354847. The reversal of 85354837 is 73845358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70408881 + 14945956 = 8391^2 + 3866^2 .

It is a cyclic number.

It is not a de Polignac number, because 85354837 - 2¹¹ = 85352789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85354793 and 85354802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85354831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42677418 + 42677419.

It is an arithmetic number, because the mean of its divisors is an integer number (42677419).

Almost surely, 2^85354837 is an apocalyptic number.

It is an amenable number.

85354837 is a deficient number, since it is larger than the sum of its proper divisors (1).

85354837 is an equidigital number, since it uses as much as digits as its factorization.

85354837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 85354837 is about 9238.7681538179. The cubic root of 85354837 is about 440.2939444253.

The spelling of 85354837 in words is "eighty-five million, three hundred fifty-four thousand, eight hundred thirty-seven".